18081884920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{167}}^1\times {\mathrm{4643}}^1$

素因数の和:4885

約数の個数: 128

約数和(自身を含む): 45500797440

約数和(自身を除く): 27418912520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 53, 55, 88, 106, 110, 167, 212, 220, 265, 334, 424, 440, 530, 583, 668, 835, 1060, 1166, 1336, 1670, 1837, 2120, 2332, 2915, 3340, 3674, 4643, 4664, 5830, 6680, 7348, 8851, 9185, 9286, 11660, 14696, 17702, 18370, 18572, 23215, 23320, 35404, 36740, 37144, 44255, 46430, 51073, 70808, 73480, 88510, 92860, 97361, 102146, 177020, 185720, 194722, 204292, 246079, 255365, 354040, 389444, 408584, 486805, 492158, 510730, 775381, 778888, 973610, 984316, 1021460, 1230395, 1550762, 1947220, 1968632, 2042920, 2460790, 2706869, 3101524, 3876905, 3894440, 4921580, 5413738, 6203048, 7753810, 8529191, 9843160, 10827476, 13534345, 15507620, 17058382, 21654952, 27068690, 31015240, 34116764, 41095193, 42645955, 54137380, 68233528, 82190386, 85291910, 108274760, 164380772, 170583820, 205475965, 328761544, 341167640, 410951930, 452047123, 821903860, 904094246, 1643807720, 1808188492, 2260235615, 3616376984, 4520471230, 9040942460, 18081884920]

約数ペア:

[(1, 18081884920), (2, 9040942460), (4, 4520471230), (5, 3616376984), (8, 2260235615), (10, 1808188492), (11, 1643807720), (20, 904094246), (22, 821903860), (40, 452047123), (44, 410951930), (53, 341167640), (55, 328761544), (88, 205475965), (106, 170583820), (110, 164380772), (167, 108274760), (212, 85291910), (220, 82190386), (265, 68233528), (334, 54137380), (424, 42645955), (440, 41095193), (530, 34116764), (583, 31015240), (668, 27068690), (835, 21654952), (1060, 17058382), (1166, 15507620), (1336, 13534345), (1670, 10827476), (1837, 9843160), (2120, 8529191), (2332, 7753810), (2915, 6203048), (3340, 5413738), (3674, 4921580), (4643, 3894440), (4664, 3876905), (5830, 3101524), (6680, 2706869), (7348, 2460790), (8851, 2042920), (9185, 1968632), (9286, 1947220), (11660, 1550762), (14696, 1230395), (17702, 1021460), (18370, 984316), (18572, 973610), (23215, 778888), (23320, 775381), (35404, 510730), (36740, 492158), (37144, 486805), (44255, 408584), (46430, 389444), (51073, 354040), (70808, 255365), (73480, 246079), (88510, 204292), (92860, 194722), (97361, 185720), (102146, 177020)]