18508749704

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{647}}^1\times {\mathrm{155473}}^1$

素因数の和:156149

約数の個数: 32

約数和(自身を含む): 36268974720

約数和(自身を除く): 17760225016

約数列:

[1, 2, 4, 8, 23, 46, 92, 184, 647, 1294, 2588, 5176, 14881, 29762, 59524, 119048, 155473, 310946, 621892, 1243784, 3575879, 7151758, 14303516, 28607032, 100591031, 201182062, 402364124, 804728248, 2313593713, 4627187426, 9254374852, 18508749704]

約数ペア:

[(1, 18508749704), (2, 9254374852), (4, 4627187426), (8, 2313593713), (23, 804728248), (46, 402364124), (92, 201182062), (184, 100591031), (647, 28607032), (1294, 14303516), (2588, 7151758), (5176, 3575879), (14881, 1243784), (29762, 621892), (59524, 310946), (119048, 155473)]