19143520

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{149}}^1$

素因数の和:248

約数の個数: 96

約数和(自身を含む): 50349600

約数和(自身を除く): 31206080

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 73, 80, 88, 110, 146, 149, 160, 176, 220, 292, 298, 352, 365, 440, 584, 596, 730, 745, 803, 880, 1168, 1192, 1460, 1490, 1606, 1639, 1760, 2336, 2384, 2920, 2980, 3212, 3278, 4015, 4768, 5840, 5960, 6424, 6556, 8030, 8195, 10877, 11680, 11920, 12848, 13112, 16060, 16390, 21754, 23840, 25696, 26224, 32120, 32780, 43508, 52448, 54385, 64240, 65560, 87016, 108770, 119647, 128480, 131120, 174032, 217540, 239294, 262240, 348064, 435080, 478588, 598235, 870160, 957176, 1196470, 1740320, 1914352, 2392940, 3828704, 4785880, 9571760, 19143520]

約数ペア:

[(1, 19143520), (2, 9571760), (4, 4785880), (5, 3828704), (8, 2392940), (10, 1914352), (11, 1740320), (16, 1196470), (20, 957176), (22, 870160), (32, 598235), (40, 478588), (44, 435080), (55, 348064), (73, 262240), (80, 239294), (88, 217540), (110, 174032), (146, 131120), (149, 128480), (160, 119647), (176, 108770), (220, 87016), (292, 65560), (298, 64240), (352, 54385), (365, 52448), (440, 43508), (584, 32780), (596, 32120), (730, 26224), (745, 25696), (803, 23840), (880, 21754), (1168, 16390), (1192, 16060), (1460, 13112), (1490, 12848), (1606, 11920), (1639, 11680), (1760, 10877), (2336, 8195), (2384, 8030), (2920, 6556), (2980, 6424), (3212, 5960), (3278, 5840), (4015, 4768)]