19612840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37717}}^1$

素因数の和:37741

約数の個数: 32

約数和(自身を含む): 47524680

約数和(自身を除く): 27911840

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 37717, 75434, 150868, 188585, 301736, 377170, 490321, 754340, 980642, 1508680, 1961284, 2451605, 3922568, 4903210, 9806420, 19612840]

約数ペア:

[(1, 19612840), (2, 9806420), (4, 4903210), (5, 3922568), (8, 2451605), (10, 1961284), (13, 1508680), (20, 980642), (26, 754340), (40, 490321), (52, 377170), (65, 301736), (104, 188585), (130, 150868), (260, 75434), (520, 37717)]