18647580

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{1531}}^1$

素因数の和:1579

約数の個数: 96

約数和(自身を含む): 61770240

約数和(自身を除く): 43122660

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 29, 30, 35, 42, 58, 60, 70, 84, 87, 105, 116, 140, 145, 174, 203, 210, 290, 348, 406, 420, 435, 580, 609, 812, 870, 1015, 1218, 1531, 1740, 2030, 2436, 3045, 3062, 4060, 4593, 6090, 6124, 7655, 9186, 10717, 12180, 15310, 18372, 21434, 22965, 30620, 32151, 42868, 44399, 45930, 53585, 64302, 88798, 91860, 107170, 128604, 133197, 160755, 177596, 214340, 221995, 266394, 310793, 321510, 443990, 532788, 621586, 643020, 665985, 887980, 932379, 1243172, 1331970, 1553965, 1864758, 2663940, 3107930, 3729516, 4661895, 6215860, 9323790, 18647580]

約数ペア:

[(1, 18647580), (2, 9323790), (3, 6215860), (4, 4661895), (5, 3729516), (6, 3107930), (7, 2663940), (10, 1864758), (12, 1553965), (14, 1331970), (15, 1243172), (20, 932379), (21, 887980), (28, 665985), (29, 643020), (30, 621586), (35, 532788), (42, 443990), (58, 321510), (60, 310793), (70, 266394), (84, 221995), (87, 214340), (105, 177596), (116, 160755), (140, 133197), (145, 128604), (174, 107170), (203, 91860), (210, 88798), (290, 64302), (348, 53585), (406, 45930), (420, 44399), (435, 42868), (580, 32151), (609, 30620), (812, 22965), (870, 21434), (1015, 18372), (1218, 15310), (1531, 12180), (1740, 10717), (2030, 9186), (2436, 7655), (3045, 6124), (3062, 6090), (4060, 4593)]