18380768

素因数分解:

$2^5\times 7^1\times {\mathrm{31}}^1\times {\mathrm{2647}}^1$

素因数の和:2695

約数の個数: 48

約数和(自身を含む): 42706944

約数和(自身を除く): 24326176

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 56, 62, 112, 124, 217, 224, 248, 434, 496, 868, 992, 1736, 2647, 3472, 5294, 6944, 10588, 18529, 21176, 37058, 42352, 74116, 82057, 84704, 148232, 164114, 296464, 328228, 574399, 592928, 656456, 1148798, 1312912, 2297596, 2625824, 4595192, 9190384, 18380768]

約数ペア:

[(1, 18380768), (2, 9190384), (4, 4595192), (7, 2625824), (8, 2297596), (14, 1312912), (16, 1148798), (28, 656456), (31, 592928), (32, 574399), (56, 328228), (62, 296464), (112, 164114), (124, 148232), (217, 84704), (224, 82057), (248, 74116), (434, 42352), (496, 37058), (868, 21176), (992, 18529), (1736, 10588), (2647, 6944), (3472, 5294)]