19881702

素因数分解:

$2^1\times 3^2\times {\mathrm{59}}^1\times {\mathrm{97}}^1\times {\mathrm{193}}^1$

素因数の和:357

約数の個数: 48

約数和(自身を含む): 44488080

約数和(自身を除く): 24606378

約数列:

[1, 2, 3, 6, 9, 18, 59, 97, 118, 177, 193, 194, 291, 354, 386, 531, 579, 582, 873, 1062, 1158, 1737, 1746, 3474, 5723, 11387, 11446, 17169, 18721, 22774, 34161, 34338, 37442, 51507, 56163, 68322, 102483, 103014, 112326, 168489, 204966, 336978, 1104539, 2209078, 3313617, 6627234, 9940851, 19881702]

約数ペア:

[(1, 19881702), (2, 9940851), (3, 6627234), (6, 3313617), (9, 2209078), (18, 1104539), (59, 336978), (97, 204966), (118, 168489), (177, 112326), (193, 103014), (194, 102483), (291, 68322), (354, 56163), (386, 51507), (531, 37442), (579, 34338), (582, 34161), (873, 22774), (1062, 18721), (1158, 17169), (1737, 11446), (1746, 11387), (3474, 5723)]