18698452

素因数分解:

$2^2\times {\mathrm{61}}^1\times {\mathrm{197}}^1\times {\mathrm{389}}^1$

素因数の和:651

約数の個数: 24

約数和(自身を含む): 33513480

約数和(自身を除く): 14815028

約数列:

[1, 2, 4, 61, 122, 197, 244, 389, 394, 778, 788, 1556, 12017, 23729, 24034, 47458, 48068, 76633, 94916, 153266, 306532, 4674613, 9349226, 18698452]

約数ペア:

[(1, 18698452), (2, 9349226), (4, 4674613), (61, 306532), (122, 153266), (197, 94916), (244, 76633), (389, 48068), (394, 47458), (778, 24034), (788, 23729), (1556, 12017)]