18804937840

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{137}}^1\times {\mathrm{2237}}^1$

素因数の和:2459

約数の個数: 160

約数和(自身を含む): 48253786560

約数和(自身を除く): 29448848720

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 59, 65, 80, 104, 118, 130, 137, 208, 236, 260, 274, 295, 472, 520, 548, 590, 685, 767, 944, 1040, 1096, 1180, 1370, 1534, 1781, 2192, 2237, 2360, 2740, 3068, 3562, 3835, 4474, 4720, 5480, 6136, 7124, 7670, 8083, 8905, 8948, 10960, 11185, 12272, 14248, 15340, 16166, 17810, 17896, 22370, 28496, 29081, 30680, 32332, 35620, 35792, 40415, 44740, 58162, 61360, 64664, 71240, 80830, 89480, 105079, 116324, 129328, 131983, 142480, 145405, 161660, 178960, 210158, 232648, 263966, 290810, 306469, 323320, 420316, 465296, 525395, 527932, 581620, 612938, 646640, 659915, 840632, 1050790, 1055864, 1163240, 1225876, 1319830, 1532345, 1681264, 1715779, 2101580, 2111728, 2326480, 2451752, 2639660, 3064690, 3431558, 3984097, 4203160, 4903504, 5279320, 6129380, 6863116, 7968194, 8406320, 8578895, 10558640, 12258760, 13726232, 15936388, 17157790, 18081671, 19920485, 24517520, 27452464, 31872776, 34315580, 36163342, 39840970, 63745552, 68631160, 72326684, 79681940, 90408355, 137262320, 144653368, 159363880, 180816710, 235061723, 289306736, 318727760, 361633420, 470123446, 723266840, 940246892, 1175308615, 1446533680, 1880493784, 2350617230, 3760987568, 4701234460, 9402468920, 18804937840]

約数ペア:

[(1, 18804937840), (2, 9402468920), (4, 4701234460), (5, 3760987568), (8, 2350617230), (10, 1880493784), (13, 1446533680), (16, 1175308615), (20, 940246892), (26, 723266840), (40, 470123446), (52, 361633420), (59, 318727760), (65, 289306736), (80, 235061723), (104, 180816710), (118, 159363880), (130, 144653368), (137, 137262320), (208, 90408355), (236, 79681940), (260, 72326684), (274, 68631160), (295, 63745552), (472, 39840970), (520, 36163342), (548, 34315580), (590, 31872776), (685, 27452464), (767, 24517520), (944, 19920485), (1040, 18081671), (1096, 17157790), (1180, 15936388), (1370, 13726232), (1534, 12258760), (1781, 10558640), (2192, 8578895), (2237, 8406320), (2360, 7968194), (2740, 6863116), (3068, 6129380), (3562, 5279320), (3835, 4903504), (4474, 4203160), (4720, 3984097), (5480, 3431558), (6136, 3064690), (7124, 2639660), (7670, 2451752), (8083, 2326480), (8905, 2111728), (8948, 2101580), (10960, 1715779), (11185, 1681264), (12272, 1532345), (14248, 1319830), (15340, 1225876), (16166, 1163240), (17810, 1055864), (17896, 1050790), (22370, 840632), (28496, 659915), (29081, 646640), (30680, 612938), (32332, 581620), (35620, 527932), (35792, 525395), (40415, 465296), (44740, 420316), (58162, 323320), (61360, 306469), (64664, 290810), (71240, 263966), (80830, 232648), (89480, 210158), (105079, 178960), (116324, 161660), (129328, 145405), (131983, 142480)]