19397817

素因数分解:

$3^2\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{397}}^1$

素因数の和:553

約数の個数: 24

約数和(自身を含む): 28870920

約数和(自身を除く): 9473103

約数列:

[1, 3, 9, 61, 89, 183, 267, 397, 549, 801, 1191, 3573, 5429, 16287, 24217, 35333, 48861, 72651, 105999, 217953, 317997, 2155313, 6465939, 19397817]

約数ペア:

[(1, 19397817), (3, 6465939), (9, 2155313), (61, 317997), (89, 217953), (183, 105999), (267, 72651), (397, 48861), (549, 35333), (801, 24217), (1191, 16287), (3573, 5429)]