19729718

素因数分解:

$2^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{2741}}^1$

素因数の和:2863

約数の個数: 16

約数和(自身を含む): 30600720

約数和(自身を除く): 10871002

約数列:

[1, 2, 59, 61, 118, 122, 2741, 3599, 5482, 7198, 161719, 167201, 323438, 334402, 9864859, 19729718]

約数ペア:

[(1, 19729718), (2, 9864859), (59, 334402), (61, 323438), (118, 167201), (122, 161719), (2741, 7198), (3599, 5482)]