16386740

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{1487}}^1$

素因数の和:1544

約数の個数: 48

約数和(自身を含む): 37497600

約数和(自身を除く): 21110860

約数列:

[1, 2, 4, 5, 10, 19, 20, 29, 38, 58, 76, 95, 116, 145, 190, 290, 380, 551, 580, 1102, 1487, 2204, 2755, 2974, 5510, 5948, 7435, 11020, 14870, 28253, 29740, 43123, 56506, 86246, 113012, 141265, 172492, 215615, 282530, 431230, 565060, 819337, 862460, 1638674, 3277348, 4096685, 8193370, 16386740]

約数ペア:

[(1, 16386740), (2, 8193370), (4, 4096685), (5, 3277348), (10, 1638674), (19, 862460), (20, 819337), (29, 565060), (38, 431230), (58, 282530), (76, 215615), (95, 172492), (116, 141265), (145, 113012), (190, 86246), (290, 56506), (380, 43123), (551, 29740), (580, 28253), (1102, 14870), (1487, 11020), (2204, 7435), (2755, 5948), (2974, 5510)]