18995640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{2683}}^1$

素因数の和:2756

約数の個数: 64

約数和(自身を含む): 57974400

約数和(自身を除く): 38978760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 59, 60, 118, 120, 177, 236, 295, 354, 472, 590, 708, 885, 1180, 1416, 1770, 2360, 2683, 3540, 5366, 7080, 8049, 10732, 13415, 16098, 21464, 26830, 32196, 40245, 53660, 64392, 80490, 107320, 158297, 160980, 316594, 321960, 474891, 633188, 791485, 949782, 1266376, 1582970, 1899564, 2374455, 3165940, 3799128, 4748910, 6331880, 9497820, 18995640]

約数ペア:

[(1, 18995640), (2, 9497820), (3, 6331880), (4, 4748910), (5, 3799128), (6, 3165940), (8, 2374455), (10, 1899564), (12, 1582970), (15, 1266376), (20, 949782), (24, 791485), (30, 633188), (40, 474891), (59, 321960), (60, 316594), (118, 160980), (120, 158297), (177, 107320), (236, 80490), (295, 64392), (354, 53660), (472, 40245), (590, 32196), (708, 26830), (885, 21464), (1180, 16098), (1416, 13415), (1770, 10732), (2360, 8049), (2683, 7080), (3540, 5366)]