18378438

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{235621}}^1$

素因数の和:235639

約数の個数: 16

約数和(自身を含む): 39584496

約数和(自身を除く): 21206058

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 235621, 471242, 706863, 1413726, 3063073, 6126146, 9189219, 18378438]

約数ペア:

[(1, 18378438), (2, 9189219), (3, 6126146), (6, 3063073), (13, 1413726), (26, 706863), (39, 471242), (78, 235621)]