18191817

素因数分解:

$3^3\times 7^1\times {\mathrm{101}}^1\times {\mathrm{953}}^1$

素因数の和:1070

約数の個数: 32

約数和(自身を含む): 31138560

約数和(自身を除く): 12946743

約数列:

[1, 3, 7, 9, 21, 27, 63, 101, 189, 303, 707, 909, 953, 2121, 2727, 2859, 6363, 6671, 8577, 19089, 20013, 25731, 60039, 96253, 180117, 288759, 673771, 866277, 2021313, 2598831, 6063939, 18191817]

約数ペア:

[(1, 18191817), (3, 6063939), (7, 2598831), (9, 2021313), (21, 866277), (27, 673771), (63, 288759), (101, 180117), (189, 96253), (303, 60039), (707, 25731), (909, 20013), (953, 19089), (2121, 8577), (2727, 6671), (2859, 6363)]