19765624

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{1193}}^1$

素因数の和:1327

約数の個数: 32

約数和(自身を含む): 39402000

約数和(自身を除く): 19636376

約数列:

[1, 2, 4, 8, 19, 38, 76, 109, 152, 218, 436, 872, 1193, 2071, 2386, 4142, 4772, 8284, 9544, 16568, 22667, 45334, 90668, 130037, 181336, 260074, 520148, 1040296, 2470703, 4941406, 9882812, 19765624]

約数ペア:

[(1, 19765624), (2, 9882812), (4, 4941406), (8, 2470703), (19, 1040296), (38, 520148), (76, 260074), (109, 181336), (152, 130037), (218, 90668), (436, 45334), (872, 22667), (1193, 16568), (2071, 9544), (2386, 8284), (4142, 4772)]