18760980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{2351}}^1$

素因数の和:2389

約数の個数: 96

約数和(自身を含む): 63221760

約数和(自身を除く): 44460780

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 57, 60, 70, 76, 84, 95, 105, 114, 133, 140, 190, 210, 228, 266, 285, 380, 399, 420, 532, 570, 665, 798, 1140, 1330, 1596, 1995, 2351, 2660, 3990, 4702, 7053, 7980, 9404, 11755, 14106, 16457, 23510, 28212, 32914, 35265, 44669, 47020, 49371, 65828, 70530, 82285, 89338, 98742, 134007, 141060, 164570, 178676, 197484, 223345, 246855, 268014, 312683, 329140, 446690, 493710, 536028, 625366, 670035, 893380, 938049, 987420, 1250732, 1340070, 1563415, 1876098, 2680140, 3126830, 3752196, 4690245, 6253660, 9380490, 18760980]

約数ペア:

[(1, 18760980), (2, 9380490), (3, 6253660), (4, 4690245), (5, 3752196), (6, 3126830), (7, 2680140), (10, 1876098), (12, 1563415), (14, 1340070), (15, 1250732), (19, 987420), (20, 938049), (21, 893380), (28, 670035), (30, 625366), (35, 536028), (38, 493710), (42, 446690), (57, 329140), (60, 312683), (70, 268014), (76, 246855), (84, 223345), (95, 197484), (105, 178676), (114, 164570), (133, 141060), (140, 134007), (190, 98742), (210, 89338), (228, 82285), (266, 70530), (285, 65828), (380, 49371), (399, 47020), (420, 44669), (532, 35265), (570, 32914), (665, 28212), (798, 23510), (1140, 16457), (1330, 14106), (1596, 11755), (1995, 9404), (2351, 7980), (2660, 7053), (3990, 4702)]