19137040

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{18401}}^1$

素因数の和:18427

約数の個数: 40

約数和(自身を含む): 47918808

約数和(自身を除く): 28781768

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 18401, 36802, 73604, 92005, 147208, 184010, 239213, 294416, 368020, 478426, 736040, 956852, 1196065, 1472080, 1913704, 2392130, 3827408, 4784260, 9568520, 19137040]

約数ペア:

[(1, 19137040), (2, 9568520), (4, 4784260), (5, 3827408), (8, 2392130), (10, 1913704), (13, 1472080), (16, 1196065), (20, 956852), (26, 736040), (40, 478426), (52, 368020), (65, 294416), (80, 239213), (104, 184010), (130, 147208), (208, 92005), (260, 73604), (520, 36802), (1040, 18401)]