19902312

素因数分解:

$2^3\times 3^2\times {\mathrm{79}}^1\times {\mathrm{3499}}^1$

素因数の和:3590

約数の個数: 48

約数和(自身を含む): 54600000

約数和(自身を除く): 34697688

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 79, 158, 237, 316, 474, 632, 711, 948, 1422, 1896, 2844, 3499, 5688, 6998, 10497, 13996, 20994, 27992, 31491, 41988, 62982, 83976, 125964, 251928, 276421, 552842, 829263, 1105684, 1658526, 2211368, 2487789, 3317052, 4975578, 6634104, 9951156, 19902312]

約数ペア:

[(1, 19902312), (2, 9951156), (3, 6634104), (4, 4975578), (6, 3317052), (8, 2487789), (9, 2211368), (12, 1658526), (18, 1105684), (24, 829263), (36, 552842), (72, 276421), (79, 251928), (158, 125964), (237, 83976), (316, 62982), (474, 41988), (632, 31491), (711, 27992), (948, 20994), (1422, 13996), (1896, 10497), (2844, 6998), (3499, 5688)]