18854704

素因数分解:

$2^4\times {\mathrm{11}}^2\times {\mathrm{9739}}^1$

素因数の和:9769

約数の個数: 30

約数和(自身を含む): 40158020

約数和(自身を除く): 21303316

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 121, 176, 242, 484, 968, 1936, 9739, 19478, 38956, 77912, 107129, 155824, 214258, 428516, 857032, 1178419, 1714064, 2356838, 4713676, 9427352, 18854704]

約数ペア:

[(1, 18854704), (2, 9427352), (4, 4713676), (8, 2356838), (11, 1714064), (16, 1178419), (22, 857032), (44, 428516), (88, 214258), (121, 155824), (176, 107129), (242, 77912), (484, 38956), (968, 19478), (1936, 9739)]