17919447

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{9377}}^1$

素因数の和:9407

約数の個数: 24

約数和(自身を含む): 29934576

約数和(自身を除く): 12015129

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 637, 1911, 9377, 28131, 65639, 121901, 196917, 365703, 459473, 853307, 1378419, 2559921, 5973149, 17919447]

約数ペア:

[(1, 17919447), (3, 5973149), (7, 2559921), (13, 1378419), (21, 853307), (39, 459473), (49, 365703), (91, 196917), (147, 121901), (273, 65639), (637, 28131), (1911, 9377)]