18422360

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{281}}^1$

素因数の和:452

約数の個数: 64

約数和(自身を含む): 45684000

約数和(自身を除く): 27261640

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 149, 220, 281, 298, 440, 562, 596, 745, 1124, 1192, 1405, 1490, 1639, 2248, 2810, 2980, 3091, 3278, 5620, 5960, 6182, 6556, 8195, 11240, 12364, 13112, 15455, 16390, 24728, 30910, 32780, 41869, 61820, 65560, 83738, 123640, 167476, 209345, 334952, 418690, 460559, 837380, 921118, 1674760, 1842236, 2302795, 3684472, 4605590, 9211180, 18422360]

約数ペア:

[(1, 18422360), (2, 9211180), (4, 4605590), (5, 3684472), (8, 2302795), (10, 1842236), (11, 1674760), (20, 921118), (22, 837380), (40, 460559), (44, 418690), (55, 334952), (88, 209345), (110, 167476), (149, 123640), (220, 83738), (281, 65560), (298, 61820), (440, 41869), (562, 32780), (596, 30910), (745, 24728), (1124, 16390), (1192, 15455), (1405, 13112), (1490, 12364), (1639, 11240), (2248, 8195), (2810, 6556), (2980, 6182), (3091, 5960), (3278, 5620)]