18932680

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1583}}^1$

素因数の和:1630

約数の個数: 64

約数和(自身を含む): 47900160

約数和(自身を除く): 28967480

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 23, 26, 40, 46, 52, 65, 92, 104, 115, 130, 184, 230, 260, 299, 460, 520, 598, 920, 1196, 1495, 1583, 2392, 2990, 3166, 5980, 6332, 7915, 11960, 12664, 15830, 20579, 31660, 36409, 41158, 63320, 72818, 82316, 102895, 145636, 164632, 182045, 205790, 291272, 364090, 411580, 473317, 728180, 823160, 946634, 1456360, 1893268, 2366585, 3786536, 4733170, 9466340, 18932680]

約数ペア:

[(1, 18932680), (2, 9466340), (4, 4733170), (5, 3786536), (8, 2366585), (10, 1893268), (13, 1456360), (20, 946634), (23, 823160), (26, 728180), (40, 473317), (46, 411580), (52, 364090), (65, 291272), (92, 205790), (104, 182045), (115, 164632), (130, 145636), (184, 102895), (230, 82316), (260, 72818), (299, 63320), (460, 41158), (520, 36409), (598, 31660), (920, 20579), (1196, 15830), (1495, 12664), (1583, 11960), (2392, 7915), (2990, 6332), (3166, 5980)]