18758390

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{1549}}^1$

素因数の和:1736

約数の個数: 32

約数和(自身を含む): 38836800

約数和(自身を除く): 20078410

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 173, 346, 865, 1211, 1549, 1730, 2422, 3098, 6055, 7745, 10843, 12110, 15490, 21686, 54215, 108430, 267977, 535954, 1339885, 1875839, 2679770, 3751678, 9379195, 18758390]

約数ペア:

[(1, 18758390), (2, 9379195), (5, 3751678), (7, 2679770), (10, 1875839), (14, 1339885), (35, 535954), (70, 267977), (173, 108430), (346, 54215), (865, 21686), (1211, 15490), (1549, 12110), (1730, 10843), (2422, 7745), (3098, 6055)]