18718810

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{379}}^1\times {\mathrm{449}}^1$

素因数の和:846

約数の個数: 32

約数和(自身を含む): 36936000

約数和(自身を除く): 18217190

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 379, 449, 758, 898, 1895, 2245, 3790, 4169, 4490, 4939, 8338, 9878, 20845, 24695, 41690, 49390, 170171, 340342, 850855, 1701710, 1871881, 3743762, 9359405, 18718810]

約数ペア:

[(1, 18718810), (2, 9359405), (5, 3743762), (10, 1871881), (11, 1701710), (22, 850855), (55, 340342), (110, 170171), (379, 49390), (449, 41690), (758, 24695), (898, 20845), (1895, 9878), (2245, 8338), (3790, 4939), (4169, 4490)]