18779150

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{173}}^1$

素因数の和:365

約数の個数: 48

約数和(自身を含む): 38060064

約数和(自身を除く): 19280914

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 167, 173, 325, 334, 346, 650, 835, 865, 1670, 1730, 2171, 2249, 4175, 4325, 4342, 4498, 8350, 8650, 10855, 11245, 21710, 22490, 28891, 54275, 56225, 57782, 108550, 112450, 144455, 288910, 375583, 722275, 751166, 1444550, 1877915, 3755830, 9389575, 18779150]

約数ペア:

[(1, 18779150), (2, 9389575), (5, 3755830), (10, 1877915), (13, 1444550), (25, 751166), (26, 722275), (50, 375583), (65, 288910), (130, 144455), (167, 112450), (173, 108550), (325, 57782), (334, 56225), (346, 54275), (650, 28891), (835, 22490), (865, 21710), (1670, 11245), (1730, 10855), (2171, 8650), (2249, 8350), (4175, 4498), (4325, 4342)]