19824655

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{1619}}^1$

素因数の和:1734

約数の個数: 16

約数和(自身を含む): 24883200

約数和(自身を除く): 5058545

約数列:

[1, 5, 31, 79, 155, 395, 1619, 2449, 8095, 12245, 50189, 127901, 250945, 639505, 3964931, 19824655]

約数ペア:

[(1, 19824655), (5, 3964931), (31, 639505), (79, 250945), (155, 127901), (395, 50189), (1619, 12245), (2449, 8095)]