18648929

素因数分解:

${\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{643}}^1$

素因数の和:776

約数の個数: 16

約数和(自身を含む): 21205632

約数和(自身を除く): 2556703

約数列:

[1, 13, 23, 97, 299, 643, 1261, 2231, 8359, 14789, 29003, 62371, 192257, 810823, 1434533, 18648929]

約数ペア:

[(1, 18648929), (13, 1434533), (23, 810823), (97, 192257), (299, 62371), (643, 29003), (1261, 14789), (2231, 8359)]