19878828

素因数分解:

$2^2\times 3^1\times {\mathrm{163}}^1\times {\mathrm{10163}}^1$

素因数の和:10333

約数の個数: 24

約数和(自身を含む): 46673088

約数和(自身を除く): 26794260

約数列:

[1, 2, 3, 4, 6, 12, 163, 326, 489, 652, 978, 1956, 10163, 20326, 30489, 40652, 60978, 121956, 1656569, 3313138, 4969707, 6626276, 9939414, 19878828]

約数ペア:

[(1, 19878828), (2, 9939414), (3, 6626276), (4, 4969707), (6, 3313138), (12, 1656569), (163, 121956), (326, 60978), (489, 40652), (652, 30489), (978, 20326), (1956, 10163)]