18561272

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{859}}^1$

素因数の和:975

約数の個数: 32

約数和(自身を含む): 36274800

約数和(自身を除く): 17713528

約数列:

[1, 2, 4, 8, 37, 73, 74, 146, 148, 292, 296, 584, 859, 1718, 2701, 3436, 5402, 6872, 10804, 21608, 31783, 62707, 63566, 125414, 127132, 250828, 254264, 501656, 2320159, 4640318, 9280636, 18561272]

約数ペア:

[(1, 18561272), (2, 9280636), (4, 4640318), (8, 2320159), (37, 501656), (73, 254264), (74, 250828), (146, 127132), (148, 125414), (292, 63566), (296, 62707), (584, 31783), (859, 21608), (1718, 10804), (2701, 6872), (3436, 5402)]