19649360

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{181}}^1$

素因数の和:276

約数の個数: 80

約数和(自身を含む): 48746880

約数和(自身を除く): 29097520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 59, 80, 92, 115, 118, 181, 184, 230, 236, 295, 362, 368, 460, 472, 590, 724, 905, 920, 944, 1180, 1357, 1448, 1810, 1840, 2360, 2714, 2896, 3620, 4163, 4720, 5428, 6785, 7240, 8326, 10679, 10856, 13570, 14480, 16652, 20815, 21358, 21712, 27140, 33304, 41630, 42716, 53395, 54280, 66608, 83260, 85432, 106790, 108560, 166520, 170864, 213580, 245617, 333040, 427160, 491234, 854320, 982468, 1228085, 1964936, 2456170, 3929872, 4912340, 9824680, 19649360]

約数ペア:

[(1, 19649360), (2, 9824680), (4, 4912340), (5, 3929872), (8, 2456170), (10, 1964936), (16, 1228085), (20, 982468), (23, 854320), (40, 491234), (46, 427160), (59, 333040), (80, 245617), (92, 213580), (115, 170864), (118, 166520), (181, 108560), (184, 106790), (230, 85432), (236, 83260), (295, 66608), (362, 54280), (368, 53395), (460, 42716), (472, 41630), (590, 33304), (724, 27140), (905, 21712), (920, 21358), (944, 20815), (1180, 16652), (1357, 14480), (1448, 13570), (1810, 10856), (1840, 10679), (2360, 8326), (2714, 7240), (2896, 6785), (3620, 5428), (4163, 4720)]