18220455

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{36809}}^1$

素因数の和:36831

約数の個数: 24

約数和(自身を含む): 34454160

約数和(自身を除く): 16233705

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 165, 495, 36809, 110427, 184045, 331281, 404899, 552135, 1214697, 1656405, 2024495, 3644091, 6073485, 18220455]

約数ペア:

[(1, 18220455), (3, 6073485), (5, 3644091), (9, 2024495), (11, 1656405), (15, 1214697), (33, 552135), (45, 404899), (55, 331281), (99, 184045), (165, 110427), (495, 36809)]