19257119

素因数分解:

$7^1\times {\mathrm{79}}^1\times {\mathrm{97}}^1\times {\mathrm{359}}^1$

素因数の和:542

約数の個数: 16

約数和(自身を含む): 22579200

約数和(自身を除く): 3322081

約数列:

[1, 7, 79, 97, 359, 553, 679, 2513, 7663, 28361, 34823, 53641, 198527, 243761, 2751017, 19257119]

約数ペア:

[(1, 19257119), (7, 2751017), (79, 243761), (97, 198527), (359, 53641), (553, 34823), (679, 28361), (2513, 7663)]