18878161755

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1\times {\mathrm{331283}}^1$

素因数の和:331451

約数の個数: 32

約数和(自身を含む): 31485231360

約数和(自身を除く): 12607069605

約数列:

[1, 3, 5, 15, 29, 87, 131, 145, 393, 435, 655, 1965, 3799, 11397, 18995, 56985, 331283, 993849, 1656415, 4969245, 9607207, 28821621, 43398073, 48036035, 130194219, 144108105, 216990365, 650971095, 1258544117, 3775632351, 6292720585, 18878161755]

約数ペア:

[(1, 18878161755), (3, 6292720585), (5, 3775632351), (15, 1258544117), (29, 650971095), (87, 216990365), (131, 144108105), (145, 130194219), (393, 48036035), (435, 43398073), (655, 28821621), (1965, 9607207), (3799, 4969245), (11397, 1656415), (18995, 993849), (56985, 331283)]