19129480

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{15427}}^1$

素因数の和:15469

約数の個数: 32

約数和(自身を含む): 44432640

約数和(自身を除く): 25303160

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 15427, 30854, 61708, 77135, 123416, 154270, 308540, 478237, 617080, 956474, 1912948, 2391185, 3825896, 4782370, 9564740, 19129480]

約数ペア:

[(1, 19129480), (2, 9564740), (4, 4782370), (5, 3825896), (8, 2391185), (10, 1912948), (20, 956474), (31, 617080), (40, 478237), (62, 308540), (124, 154270), (155, 123416), (248, 77135), (310, 61708), (620, 30854), (1240, 15427)]