18503758

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{5351}}^1$

素因数の和:5392

約数の個数: 32

約数和(自身を含む): 35965440

約数和(自身を除く): 17461682

約数列:

[1, 2, 7, 13, 14, 19, 26, 38, 91, 133, 182, 247, 266, 494, 1729, 3458, 5351, 10702, 37457, 69563, 74914, 101669, 139126, 203338, 486941, 711683, 973882, 1321697, 1423366, 2643394, 9251879, 18503758]

約数ペア:

[(1, 18503758), (2, 9251879), (7, 2643394), (13, 1423366), (14, 1321697), (19, 973882), (26, 711683), (38, 486941), (91, 203338), (133, 139126), (182, 101669), (247, 74914), (266, 69563), (494, 37457), (1729, 10702), (3458, 5351)]