19823830

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{1399}}^1$

素因数の和:1528

約数の個数: 32

約数和(自身を含む): 38808000

約数和(自身を除く): 18984170

約数列:

[1, 2, 5, 10, 13, 26, 65, 109, 130, 218, 545, 1090, 1399, 1417, 2798, 2834, 6995, 7085, 13990, 14170, 18187, 36374, 90935, 152491, 181870, 304982, 762455, 1524910, 1982383, 3964766, 9911915, 19823830]

約数ペア:

[(1, 19823830), (2, 9911915), (5, 3964766), (10, 1982383), (13, 1524910), (26, 762455), (65, 304982), (109, 181870), (130, 152491), (218, 90935), (545, 36374), (1090, 18187), (1399, 14170), (1417, 13990), (2798, 7085), (2834, 6995)]