19316890

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{167}}^1\times {\mathrm{269}}^1$

素因数の和:486

約数の個数: 32

約数和(自身を含む): 35925120

約数和(自身を除く): 16608230

約数列:

[1, 2, 5, 10, 43, 86, 167, 215, 269, 334, 430, 538, 835, 1345, 1670, 2690, 7181, 11567, 14362, 23134, 35905, 44923, 57835, 71810, 89846, 115670, 224615, 449230, 1931689, 3863378, 9658445, 19316890]

約数ペア:

[(1, 19316890), (2, 9658445), (5, 3863378), (10, 1931689), (43, 449230), (86, 224615), (167, 115670), (215, 89846), (269, 71810), (334, 57835), (430, 44923), (538, 35905), (835, 23134), (1345, 14362), (1670, 11567), (2690, 7181)]