19004624

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{1201}}^1$

素因数の和:1275

約数の個数: 40

約数和(自身を含む): 39348672

約数和(自身を除く): 20344048

約数列:

[1, 2, 4, 8, 16, 23, 43, 46, 86, 92, 172, 184, 344, 368, 688, 989, 1201, 1978, 2402, 3956, 4804, 7912, 9608, 15824, 19216, 27623, 51643, 55246, 103286, 110492, 206572, 220984, 413144, 441968, 826288, 1187789, 2375578, 4751156, 9502312, 19004624]

約数ペア:

[(1, 19004624), (2, 9502312), (4, 4751156), (8, 2375578), (16, 1187789), (23, 826288), (43, 441968), (46, 413144), (86, 220984), (92, 206572), (172, 110492), (184, 103286), (344, 55246), (368, 51643), (688, 27623), (989, 19216), (1201, 15824), (1978, 9608), (2402, 7912), (3956, 4804)]