19215399

素因数分解:

$3^1\times 7^2\times {\mathrm{67}}^1\times {\mathrm{1951}}^1$

素因数の和:2035

約数の個数: 24

約数和(自身を含む): 30263808

約数和(自身を除く): 11048409

約数列:

[1, 3, 7, 21, 49, 67, 147, 201, 469, 1407, 1951, 3283, 5853, 9849, 13657, 40971, 95599, 130717, 286797, 392151, 915019, 2745057, 6405133, 19215399]

約数ペア:

[(1, 19215399), (3, 6405133), (7, 2745057), (21, 915019), (49, 392151), (67, 286797), (147, 130717), (201, 95599), (469, 40971), (1407, 13657), (1951, 9849), (3283, 5853)]