18148780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^2\times {\mathrm{83}}^1$

素因数の和:163

約数の個数: 72

約数和(自身を含む): 43020432

約数和(自身を除く): 24871652

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 29, 52, 58, 65, 83, 116, 130, 145, 166, 260, 290, 332, 377, 415, 580, 754, 830, 841, 1079, 1508, 1660, 1682, 1885, 2158, 2407, 3364, 3770, 4205, 4316, 4814, 5395, 7540, 8410, 9628, 10790, 10933, 12035, 16820, 21580, 21866, 24070, 31291, 43732, 48140, 54665, 62582, 69803, 109330, 125164, 139606, 156455, 218660, 279212, 312910, 349015, 625820, 698030, 907439, 1396060, 1814878, 3629756, 4537195, 9074390, 18148780]

約数ペア:

[(1, 18148780), (2, 9074390), (4, 4537195), (5, 3629756), (10, 1814878), (13, 1396060), (20, 907439), (26, 698030), (29, 625820), (52, 349015), (58, 312910), (65, 279212), (83, 218660), (116, 156455), (130, 139606), (145, 125164), (166, 109330), (260, 69803), (290, 62582), (332, 54665), (377, 48140), (415, 43732), (580, 31291), (754, 24070), (830, 21866), (841, 21580), (1079, 16820), (1508, 12035), (1660, 10933), (1682, 10790), (1885, 9628), (2158, 8410), (2407, 7540), (3364, 5395), (3770, 4814), (4205, 4316)]