19428622

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{163}}^1\times {\mathrm{977}}^1$

素因数の和:1203

約数の個数: 16

約数和(自身を含む): 29832912

約数和(自身を除く): 10404290

約数列:

[1, 2, 61, 122, 163, 326, 977, 1954, 9943, 19886, 59597, 119194, 159251, 318502, 9714311, 19428622]

約数ペア:

[(1, 19428622), (2, 9714311), (61, 318502), (122, 159251), (163, 119194), (326, 59597), (977, 19886), (1954, 9943)]