18849490

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{349}}^1\times {\mathrm{491}}^1$

素因数の和:858

約数の個数: 32

約数和(自身を含む): 37195200

約数和(自身を除く): 18345710

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 349, 491, 698, 982, 1745, 2455, 3490, 3839, 4910, 5401, 7678, 10802, 19195, 27005, 38390, 54010, 171359, 342718, 856795, 1713590, 1884949, 3769898, 9424745, 18849490]

約数ペア:

[(1, 18849490), (2, 9424745), (5, 3769898), (10, 1884949), (11, 1713590), (22, 856795), (55, 342718), (110, 171359), (349, 54010), (491, 38390), (698, 27005), (982, 19195), (1745, 10802), (2455, 7678), (3490, 5401), (3839, 4910)]