18376953

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{433}}^1$

素因数の和:533

約数の個数: 32

約数和(自身を含む): 29331456

約数和(自身を除く): 10954503

約数列:

[1, 3, 7, 21, 43, 47, 129, 141, 301, 329, 433, 903, 987, 1299, 2021, 3031, 6063, 9093, 14147, 18619, 20351, 42441, 55857, 61053, 130333, 142457, 390999, 427371, 875093, 2625279, 6125651, 18376953]

約数ペア:

[(1, 18376953), (3, 6125651), (7, 2625279), (21, 875093), (43, 427371), (47, 390999), (129, 142457), (141, 130333), (301, 61053), (329, 55857), (433, 42441), (903, 20351), (987, 18619), (1299, 14147), (2021, 9093), (3031, 6063)]