19536880

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{149}}^2$

素因数の和:322

約数の個数: 60

約数和(自身を含む): 49887432

約数和(自身を除く): 30350552

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 149, 176, 220, 298, 440, 596, 745, 880, 1192, 1490, 1639, 2384, 2980, 3278, 5960, 6556, 8195, 11920, 13112, 16390, 22201, 26224, 32780, 44402, 65560, 88804, 111005, 131120, 177608, 222010, 244211, 355216, 444020, 488422, 888040, 976844, 1221055, 1776080, 1953688, 2442110, 3907376, 4884220, 9768440, 19536880]

約数ペア:

[(1, 19536880), (2, 9768440), (4, 4884220), (5, 3907376), (8, 2442110), (10, 1953688), (11, 1776080), (16, 1221055), (20, 976844), (22, 888040), (40, 488422), (44, 444020), (55, 355216), (80, 244211), (88, 222010), (110, 177608), (149, 131120), (176, 111005), (220, 88804), (298, 65560), (440, 44402), (596, 32780), (745, 26224), (880, 22201), (1192, 16390), (1490, 13112), (1639, 11920), (2384, 8195), (2980, 6556), (3278, 5960)]