2018196440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3881147}}^1$

素因数の和:3881171

約数の個数: 32

約数和(自身を含む): 4890246480

約数和(自身を除く): 2872050040

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 3881147, 7762294, 15524588, 19405735, 31049176, 38811470, 50454911, 77622940, 100909822, 155245880, 201819644, 252274555, 403639288, 504549110, 1009098220, 2018196440]

約数ペア:

[(1, 2018196440), (2, 1009098220), (4, 504549110), (5, 403639288), (8, 252274555), (10, 201819644), (13, 155245880), (20, 100909822), (26, 77622940), (40, 50454911), (52, 38811470), (65, 31049176), (104, 19405735), (130, 15524588), (260, 7762294), (520, 3881147)]