18714670

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{359}}^1\times {\mathrm{401}}^1$

素因数の和:780

約数の個数: 32

約数和(自身を含む): 36469440

約数和(自身を除く): 17754770

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 359, 401, 718, 802, 1795, 2005, 3590, 4010, 4667, 5213, 9334, 10426, 23335, 26065, 46670, 52130, 143959, 287918, 719795, 1439590, 1871467, 3742934, 9357335, 18714670]

約数ペア:

[(1, 18714670), (2, 9357335), (5, 3742934), (10, 1871467), (13, 1439590), (26, 719795), (65, 287918), (130, 143959), (359, 52130), (401, 46670), (718, 26065), (802, 23335), (1795, 10426), (2005, 9334), (3590, 5213), (4010, 4667)]