19362460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{74471}}^1$

素因数の和:74493

約数の個数: 24

約数和(自身を含む): 43789536

約数和(自身を除く): 24427076

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 74471, 148942, 297884, 372355, 744710, 968123, 1489420, 1936246, 3872492, 4840615, 9681230, 19362460]

約数ペア:

[(1, 19362460), (2, 9681230), (4, 4840615), (5, 3872492), (10, 1936246), (13, 1489420), (20, 968123), (26, 744710), (52, 372355), (65, 297884), (130, 148942), (260, 74471)]