19156685990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{3982679}}^1$

素因数の和:3982736

約数の個数: 32

約数和(自身を含む): 38138143680

約数和(自身を除く): 18981457690

約数列:

[1, 2, 5, 10, 13, 26, 37, 65, 74, 130, 185, 370, 481, 962, 2405, 4810, 3982679, 7965358, 19913395, 39826790, 51774827, 103549654, 147359123, 258874135, 294718246, 517748270, 736795615, 1473591230, 1915668599, 3831337198, 9578342995, 19156685990]

約数ペア:

[(1, 19156685990), (2, 9578342995), (5, 3831337198), (10, 1915668599), (13, 1473591230), (26, 736795615), (37, 517748270), (65, 294718246), (74, 258874135), (130, 147359123), (185, 103549654), (370, 51774827), (481, 39826790), (962, 19913395), (2405, 7965358), (4810, 3982679)]