18486477

素因数分解:

$3^2\times {\mathrm{61}}^1\times {\mathrm{151}}^1\times {\mathrm{223}}^1$

素因数の和:441

約数の個数: 24

約数和(自身を含む): 27442688

約数和(自身を除く): 8956211

約数列:

[1, 3, 9, 61, 151, 183, 223, 453, 549, 669, 1359, 2007, 9211, 13603, 27633, 33673, 40809, 82899, 101019, 122427, 303057, 2054053, 6162159, 18486477]

約数ペア:

[(1, 18486477), (3, 6162159), (9, 2054053), (61, 303057), (151, 122427), (183, 101019), (223, 82899), (453, 40809), (549, 33673), (669, 27633), (1359, 13603), (2007, 9211)]