19858816

素因数分解:

$2^7\times {\mathrm{47}}^1\times {\mathrm{3301}}^1$

素因数の和:3362

約数の個数: 32

約数和(自身を含む): 40416480

約数和(自身を除く): 20557664

約数列:

[1, 2, 4, 8, 16, 32, 47, 64, 94, 128, 188, 376, 752, 1504, 3008, 3301, 6016, 6602, 13204, 26408, 52816, 105632, 155147, 211264, 310294, 422528, 620588, 1241176, 2482352, 4964704, 9929408, 19858816]

約数ペア:

[(1, 19858816), (2, 9929408), (4, 4964704), (8, 2482352), (16, 1241176), (32, 620588), (47, 422528), (64, 310294), (94, 211264), (128, 155147), (188, 105632), (376, 52816), (752, 26408), (1504, 13204), (3008, 6602), (3301, 6016)]