19679480

素因数分解:

$2^3\times 5^1\times {\mathrm{373}}^1\times {\mathrm{1319}}^1$

素因数の和:1703

約数の個数: 32

約数和(自身を含む): 44431200

約数和(自身を除く): 24751720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 373, 746, 1319, 1492, 1865, 2638, 2984, 3730, 5276, 6595, 7460, 10552, 13190, 14920, 26380, 52760, 491987, 983974, 1967948, 2459935, 3935896, 4919870, 9839740, 19679480]

約数ペア:

[(1, 19679480), (2, 9839740), (4, 4919870), (5, 3935896), (8, 2459935), (10, 1967948), (20, 983974), (40, 491987), (373, 52760), (746, 26380), (1319, 14920), (1492, 13190), (1865, 10552), (2638, 7460), (2984, 6595), (3730, 5276)]