18658020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{10723}}^1$

素因数の和:10764

約数の個数: 48

約数和(自身を含む): 54048960

約数和(自身を除く): 35390940

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 29, 30, 58, 60, 87, 116, 145, 174, 290, 348, 435, 580, 870, 1740, 10723, 21446, 32169, 42892, 53615, 64338, 107230, 128676, 160845, 214460, 310967, 321690, 621934, 643380, 932901, 1243868, 1554835, 1865802, 3109670, 3731604, 4664505, 6219340, 9329010, 18658020]

約数ペア:

[(1, 18658020), (2, 9329010), (3, 6219340), (4, 4664505), (5, 3731604), (6, 3109670), (10, 1865802), (12, 1554835), (15, 1243868), (20, 932901), (29, 643380), (30, 621934), (58, 321690), (60, 310967), (87, 214460), (116, 160845), (145, 128676), (174, 107230), (290, 64338), (348, 53615), (435, 42892), (580, 32169), (870, 21446), (1740, 10723)]