18880778

素因数分解:

$2^1\times 7^3\times {\mathrm{17}}^1\times {\mathrm{1619}}^1$

素因数の和:1659

約数の個数: 32

約数和(自身を含む): 34992000

約数和(自身を除く): 16111222

約数列:

[1, 2, 7, 14, 17, 34, 49, 98, 119, 238, 343, 686, 833, 1619, 1666, 3238, 5831, 11333, 11662, 22666, 27523, 55046, 79331, 158662, 192661, 385322, 555317, 1110634, 1348627, 2697254, 9440389, 18880778]

約数ペア:

[(1, 18880778), (2, 9440389), (7, 2697254), (14, 1348627), (17, 1110634), (34, 555317), (49, 385322), (98, 192661), (119, 158662), (238, 79331), (343, 55046), (686, 27523), (833, 22666), (1619, 11662), (1666, 11333), (3238, 5831)]