18236463

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{257}}^1$

素因数の和:407

約数の個数: 32

約数和(自身を含む): 29061120

約数和(自身を除く): 10824657

約数列:

[1, 3, 7, 21, 31, 93, 109, 217, 257, 327, 651, 763, 771, 1799, 2289, 3379, 5397, 7967, 10137, 23653, 23901, 28013, 55769, 70959, 84039, 167307, 196091, 588273, 868403, 2605209, 6078821, 18236463]

約数ペア:

[(1, 18236463), (3, 6078821), (7, 2605209), (21, 868403), (31, 588273), (93, 196091), (109, 167307), (217, 84039), (257, 70959), (327, 55769), (651, 28013), (763, 23901), (771, 23653), (1799, 10137), (2289, 7967), (3379, 5397)]