18703942

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{8069}}^1$

素因数の和:8151

約数の個数: 16

約数和(自身を含む): 30020400

約数和(自身を除く): 11316458

約数列:

[1, 2, 19, 38, 61, 122, 1159, 2318, 8069, 16138, 153311, 306622, 492209, 984418, 9351971, 18703942]

約数ペア:

[(1, 18703942), (2, 9351971), (19, 984418), (38, 492209), (61, 306622), (122, 153311), (1159, 16138), (2318, 8069)]