18420536

素因数分解:

$2^3\times {\mathrm{61}}^1\times {\mathrm{37747}}^1$

素因数の和:37814

約数の個数: 16

約数和(自身を含む): 35105640

約数和(自身を除く): 16685104

約数列:

[1, 2, 4, 8, 61, 122, 244, 488, 37747, 75494, 150988, 301976, 2302567, 4605134, 9210268, 18420536]

約数ペア:

[(1, 18420536), (2, 9210268), (4, 4605134), (8, 2302567), (61, 301976), (122, 150988), (244, 75494), (488, 37747)]