19508840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37517}}^1$

素因数の和:37541

約数の個数: 32

約数和(自身を含む): 47272680

約数和(自身を除く): 27763840

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 37517, 75034, 150068, 187585, 300136, 375170, 487721, 750340, 975442, 1500680, 1950884, 2438605, 3901768, 4877210, 9754420, 19508840]

約数ペア:

[(1, 19508840), (2, 9754420), (4, 4877210), (5, 3901768), (8, 2438605), (10, 1950884), (13, 1500680), (20, 975442), (26, 750340), (40, 487721), (52, 375170), (65, 300136), (104, 187585), (130, 150068), (260, 75034), (520, 37517)]