19462872009

素因数分解:

$3^1\times 7^1\times {\mathrm{67}}^2\times {\mathrm{206461}}^1$

素因数の和:206605

約数の個数: 24

約数和(自身を含む): 30107114688

約数和(自身を除く): 10644242679

約数列:

[1, 3, 7, 21, 67, 201, 469, 1407, 4489, 13467, 31423, 94269, 206461, 619383, 1445227, 4335681, 13832887, 41498661, 96830209, 290490627, 926803429, 2780410287, 6487624003, 19462872009]

約数ペア:

[(1, 19462872009), (3, 6487624003), (7, 2780410287), (21, 926803429), (67, 290490627), (201, 96830209), (469, 41498661), (1407, 13832887), (4489, 4335681), (13467, 1445227), (31423, 619383), (94269, 206461)]