187872190

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{89891}}^1$

素因数の和:89928

約数の個数: 32

約数和(自身を含む): 388333440

約数和(自身を除く): 200461250

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 110, 190, 209, 418, 1045, 2090, 89891, 179782, 449455, 898910, 988801, 1707929, 1977602, 3415858, 4944005, 8539645, 9888010, 17079290, 18787219, 37574438, 93936095, 187872190]

約数ペア:

[(1, 187872190), (2, 93936095), (5, 37574438), (10, 18787219), (11, 17079290), (19, 9888010), (22, 8539645), (38, 4944005), (55, 3415858), (95, 1977602), (110, 1707929), (190, 988801), (209, 898910), (418, 449455), (1045, 179782), (2090, 89891)]