19159924

素因数分解:

$2^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{12911}}^1$

素因数の和:12975

約数の個数: 24

約数和(自身を含む): 39045888

約数和(自身を除く): 19885964

約数列:

[1, 2, 4, 7, 14, 28, 53, 106, 212, 371, 742, 1484, 12911, 25822, 51644, 90377, 180754, 361508, 684283, 1368566, 2737132, 4789981, 9579962, 19159924]

約数ペア:

[(1, 19159924), (2, 9579962), (4, 4789981), (7, 2737132), (14, 1368566), (28, 684283), (53, 361508), (106, 180754), (212, 90377), (371, 51644), (742, 25822), (1484, 12911)]