18501338

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{401}}^1$

素因数の和:502

約数の個数: 32

約数和(自身を含む): 31259520

約数和(自身を除く): 12758182

約数列:

[1, 2, 17, 23, 34, 46, 59, 118, 391, 401, 782, 802, 1003, 1357, 2006, 2714, 6817, 9223, 13634, 18446, 23069, 23659, 46138, 47318, 156791, 313582, 402203, 544157, 804406, 1088314, 9250669, 18501338]

約数ペア:

[(1, 18501338), (2, 9250669), (17, 1088314), (23, 804406), (34, 544157), (46, 402203), (59, 313582), (118, 156791), (391, 47318), (401, 46138), (782, 23659), (802, 23069), (1003, 18446), (1357, 13634), (2006, 9223), (2714, 6817)]