19392620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{74587}}^1$

素因数の和:74609

約数の個数: 24

約数和(自身を含む): 43857744

約数和(自身を除く): 24465124

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 74587, 149174, 298348, 372935, 745870, 969631, 1491740, 1939262, 3878524, 4848155, 9696310, 19392620]

約数ペア:

[(1, 19392620), (2, 9696310), (4, 4848155), (5, 3878524), (10, 1939262), (13, 1491740), (20, 969631), (26, 745870), (52, 372935), (65, 298348), (130, 149174), (260, 74587)]