19932969

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{457}}^1$

素因数の和:565

約数の個数: 32

約数和(自身を含む): 31891456

約数和(自身を除く): 11958487

約数列:

[1, 3, 7, 21, 31, 67, 93, 201, 217, 457, 469, 651, 1371, 1407, 2077, 3199, 6231, 9597, 14167, 14539, 30619, 42501, 43617, 91857, 99169, 214333, 297507, 642999, 949189, 2847567, 6644323, 19932969]

約数ペア:

[(1, 19932969), (3, 6644323), (7, 2847567), (21, 949189), (31, 642999), (67, 297507), (93, 214333), (201, 99169), (217, 91857), (457, 43617), (469, 42501), (651, 30619), (1371, 14539), (1407, 14167), (2077, 9597), (3199, 6231)]