17961460

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{4297}}^1$

素因数の和:4336

約数の個数: 48

約数和(自身を含む): 43323840

約数和(自身を除く): 25362380

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 380, 418, 836, 1045, 2090, 4180, 4297, 8594, 17188, 21485, 42970, 47267, 81643, 85940, 94534, 163286, 189068, 236335, 326572, 408215, 472670, 816430, 898073, 945340, 1632860, 1796146, 3592292, 4490365, 8980730, 17961460]

約数ペア:

[(1, 17961460), (2, 8980730), (4, 4490365), (5, 3592292), (10, 1796146), (11, 1632860), (19, 945340), (20, 898073), (22, 816430), (38, 472670), (44, 408215), (55, 326572), (76, 236335), (95, 189068), (110, 163286), (190, 94534), (209, 85940), (220, 81643), (380, 47267), (418, 42970), (836, 21485), (1045, 17188), (2090, 8594), (4180, 4297)]