19743464

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{229}}^1\times {\mathrm{829}}^1$

素因数の和:1077

約数の個数: 32

約数和(自身を含む): 40089000

約数和(自身を除く): 20345536

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 229, 458, 829, 916, 1658, 1832, 2977, 3316, 5954, 6632, 10777, 11908, 21554, 23816, 43108, 86216, 189841, 379682, 759364, 1518728, 2467933, 4935866, 9871732, 19743464]

約数ペア:

[(1, 19743464), (2, 9871732), (4, 4935866), (8, 2467933), (13, 1518728), (26, 759364), (52, 379682), (104, 189841), (229, 86216), (458, 43108), (829, 23816), (916, 21554), (1658, 11908), (1832, 10777), (2977, 6632), (3316, 5954)]