18752630

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{2153}}^1$

素因数の和:2240

約数の個数: 32

約数和(自身を含む): 36910944

約数和(自身を除く): 18158314

約数列:

[1, 2, 5, 10, 13, 26, 65, 67, 130, 134, 335, 670, 871, 1742, 2153, 4306, 4355, 8710, 10765, 21530, 27989, 55978, 139945, 144251, 279890, 288502, 721255, 1442510, 1875263, 3750526, 9376315, 18752630]

約数ペア:

[(1, 18752630), (2, 9376315), (5, 3750526), (10, 1875263), (13, 1442510), (26, 721255), (65, 288502), (67, 279890), (130, 144251), (134, 139945), (335, 55978), (670, 27989), (871, 21530), (1742, 10765), (2153, 8710), (4306, 4355)]