18996820905

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{55063249}}^1$

素因数の和:55063280

約数の個数: 16

約数和(自身を含む): 31716432000

約数和(自身を除く): 12719611095

約数列:

[1, 3, 5, 15, 23, 69, 115, 345, 55063249, 165189747, 275316245, 825948735, 1266454727, 3799364181, 6332273635, 18996820905]

約数ペア:

[(1, 18996820905), (3, 6332273635), (5, 3799364181), (15, 1266454727), (23, 825948735), (69, 275316245), (115, 165189747), (345, 55063249)]