18612780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{563}}^1$

素因数の和:623

約数の個数: 96

約数和(自身を含む): 56851200

約数和(自身を除く): 38238420

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 29, 30, 38, 57, 58, 60, 76, 87, 95, 114, 116, 145, 174, 190, 228, 285, 290, 348, 380, 435, 551, 563, 570, 580, 870, 1102, 1126, 1140, 1653, 1689, 1740, 2204, 2252, 2755, 2815, 3306, 3378, 5510, 5630, 6612, 6756, 8265, 8445, 10697, 11020, 11260, 16327, 16530, 16890, 21394, 32091, 32654, 33060, 33780, 42788, 48981, 53485, 64182, 65308, 81635, 97962, 106970, 128364, 160455, 163270, 195924, 213940, 244905, 310213, 320910, 326540, 489810, 620426, 641820, 930639, 979620, 1240852, 1551065, 1861278, 3102130, 3722556, 4653195, 6204260, 9306390, 18612780]

約数ペア:

[(1, 18612780), (2, 9306390), (3, 6204260), (4, 4653195), (5, 3722556), (6, 3102130), (10, 1861278), (12, 1551065), (15, 1240852), (19, 979620), (20, 930639), (29, 641820), (30, 620426), (38, 489810), (57, 326540), (58, 320910), (60, 310213), (76, 244905), (87, 213940), (95, 195924), (114, 163270), (116, 160455), (145, 128364), (174, 106970), (190, 97962), (228, 81635), (285, 65308), (290, 64182), (348, 53485), (380, 48981), (435, 42788), (551, 33780), (563, 33060), (570, 32654), (580, 32091), (870, 21394), (1102, 16890), (1126, 16530), (1140, 16327), (1653, 11260), (1689, 11020), (1740, 10697), (2204, 8445), (2252, 8265), (2755, 6756), (2815, 6612), (3306, 5630), (3378, 5510)]