18795920

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1$

素因数の和:121

約数の個数: 160

約数和(自身を含む): 53996544

約数和(自身を除く): 35200624

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 31, 40, 44, 52, 53, 55, 62, 65, 80, 88, 104, 106, 110, 124, 130, 143, 155, 176, 208, 212, 220, 248, 260, 265, 286, 310, 341, 403, 424, 440, 496, 520, 530, 572, 583, 620, 682, 689, 715, 806, 848, 880, 1040, 1060, 1144, 1166, 1240, 1364, 1378, 1430, 1612, 1643, 1705, 2015, 2120, 2288, 2332, 2480, 2728, 2756, 2860, 2915, 3224, 3286, 3410, 3445, 4030, 4240, 4433, 4664, 5456, 5512, 5720, 5830, 6448, 6572, 6820, 6890, 7579, 8060, 8215, 8866, 9328, 11024, 11440, 11660, 13144, 13640, 13780, 15158, 16120, 16430, 17732, 18073, 21359, 22165, 23320, 26288, 27280, 27560, 30316, 32240, 32860, 35464, 36146, 37895, 42718, 44330, 46640, 55120, 60632, 65720, 70928, 72292, 75790, 85436, 88660, 90365, 106795, 121264, 131440, 144584, 151580, 170872, 177320, 180730, 213590, 234949, 289168, 303160, 341744, 354640, 361460, 427180, 469898, 606320, 722920, 854360, 939796, 1174745, 1445840, 1708720, 1879592, 2349490, 3759184, 4698980, 9397960, 18795920]

約数ペア:

[(1, 18795920), (2, 9397960), (4, 4698980), (5, 3759184), (8, 2349490), (10, 1879592), (11, 1708720), (13, 1445840), (16, 1174745), (20, 939796), (22, 854360), (26, 722920), (31, 606320), (40, 469898), (44, 427180), (52, 361460), (53, 354640), (55, 341744), (62, 303160), (65, 289168), (80, 234949), (88, 213590), (104, 180730), (106, 177320), (110, 170872), (124, 151580), (130, 144584), (143, 131440), (155, 121264), (176, 106795), (208, 90365), (212, 88660), (220, 85436), (248, 75790), (260, 72292), (265, 70928), (286, 65720), (310, 60632), (341, 55120), (403, 46640), (424, 44330), (440, 42718), (496, 37895), (520, 36146), (530, 35464), (572, 32860), (583, 32240), (620, 30316), (682, 27560), (689, 27280), (715, 26288), (806, 23320), (848, 22165), (880, 21359), (1040, 18073), (1060, 17732), (1144, 16430), (1166, 16120), (1240, 15158), (1364, 13780), (1378, 13640), (1430, 13144), (1612, 11660), (1643, 11440), (1705, 11024), (2015, 9328), (2120, 8866), (2288, 8215), (2332, 8060), (2480, 7579), (2728, 6890), (2756, 6820), (2860, 6572), (2915, 6448), (3224, 5830), (3286, 5720), (3410, 5512), (3445, 5456), (4030, 4664), (4240, 4433)]