19929285

素因数分解:

$3^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{4139}}^1$

素因数の和:4257

約数の個数: 24

約数和(自身を含む): 34875360

約数和(自身を除く): 14946075

約数列:

[1, 3, 5, 9, 15, 45, 107, 321, 535, 963, 1605, 4139, 4815, 12417, 20695, 37251, 62085, 186255, 442873, 1328619, 2214365, 3985857, 6643095, 19929285]

約数ペア:

[(1, 19929285), (3, 6643095), (5, 3985857), (9, 2214365), (15, 1328619), (45, 442873), (107, 186255), (321, 62085), (535, 37251), (963, 20695), (1605, 12417), (4139, 4815)]