18962060

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{72931}}^1$

素因数の和:72953

約数の個数: 24

約数和(自身を含む): 42884016

約数和(自身を除く): 23921956

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 72931, 145862, 291724, 364655, 729310, 948103, 1458620, 1896206, 3792412, 4740515, 9481030, 18962060]

約数ペア:

[(1, 18962060), (2, 9481030), (4, 4740515), (5, 3792412), (10, 1896206), (13, 1458620), (20, 948103), (26, 729310), (52, 364655), (65, 291724), (130, 145862), (260, 72931)]