18724456

素因数分解:

$2^3\times {\mathrm{109}}^2\times {\mathrm{197}}^1$

素因数の和:421

約数の個数: 24

約数和(自身を含む): 35613270

約数和(自身を除く): 16888814

約数列:

[1, 2, 4, 8, 109, 197, 218, 394, 436, 788, 872, 1576, 11881, 21473, 23762, 42946, 47524, 85892, 95048, 171784, 2340557, 4681114, 9362228, 18724456]

約数ペア:

[(1, 18724456), (2, 9362228), (4, 4681114), (8, 2340557), (109, 171784), (197, 95048), (218, 85892), (394, 47524), (436, 42946), (788, 23762), (872, 21473), (1576, 11881)]