17886830

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{617}}^1$

素因数の和:860

約数の個数: 32

約数和(自身を含む): 34884864

約数和(自身を除く): 16998034

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 223, 446, 617, 1115, 1234, 2230, 2899, 3085, 5798, 6170, 8021, 14495, 16042, 28990, 40105, 80210, 137591, 275182, 687955, 1375910, 1788683, 3577366, 8943415, 17886830]

約数ペア:

[(1, 17886830), (2, 8943415), (5, 3577366), (10, 1788683), (13, 1375910), (26, 687955), (65, 275182), (130, 137591), (223, 80210), (446, 40105), (617, 28990), (1115, 16042), (1234, 14495), (2230, 8021), (2899, 6170), (3085, 5798)]