18171378

素因数分解:

$2^1\times 3^4\times {\mathrm{223}}^1\times {\mathrm{503}}^1$

素因数の和:740

約数の個数: 40

約数和(自身を含む): 40981248

約数和(自身を除く): 22809870

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 223, 446, 503, 669, 1006, 1338, 1509, 2007, 3018, 4014, 4527, 6021, 9054, 12042, 13581, 18063, 27162, 36126, 40743, 81486, 112169, 224338, 336507, 673014, 1009521, 2019042, 3028563, 6057126, 9085689, 18171378]

約数ペア:

[(1, 18171378), (2, 9085689), (3, 6057126), (6, 3028563), (9, 2019042), (18, 1009521), (27, 673014), (54, 336507), (81, 224338), (162, 112169), (223, 81486), (446, 40743), (503, 36126), (669, 27162), (1006, 18063), (1338, 13581), (1509, 12042), (2007, 9054), (3018, 6021), (4014, 4527)]