18170360

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{421}}^1$

素因数の和:528

約数の個数: 64

約数和(自身を含む): 44664480

約数和(自身を除く): 26494120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 83, 104, 130, 166, 260, 332, 415, 421, 520, 664, 830, 842, 1079, 1660, 1684, 2105, 2158, 3320, 3368, 4210, 4316, 5395, 5473, 8420, 8632, 10790, 10946, 16840, 21580, 21892, 27365, 34943, 43160, 43784, 54730, 69886, 109460, 139772, 174715, 218920, 279544, 349430, 454259, 698860, 908518, 1397720, 1817036, 2271295, 3634072, 4542590, 9085180, 18170360]

約数ペア:

[(1, 18170360), (2, 9085180), (4, 4542590), (5, 3634072), (8, 2271295), (10, 1817036), (13, 1397720), (20, 908518), (26, 698860), (40, 454259), (52, 349430), (65, 279544), (83, 218920), (104, 174715), (130, 139772), (166, 109460), (260, 69886), (332, 54730), (415, 43784), (421, 43160), (520, 34943), (664, 27365), (830, 21892), (842, 21580), (1079, 16840), (1660, 10946), (1684, 10790), (2105, 8632), (2158, 8420), (3320, 5473), (3368, 5395), (4210, 4316)]