19255760

素因数分解:

$2^4\times 5^1\times {\mathrm{313}}^1\times {\mathrm{769}}^1$

素因数の和:1095

約数の個数: 40

約数和(自身を含む): 44971080

約数和(自身を除く): 25715320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 313, 626, 769, 1252, 1538, 1565, 2504, 3076, 3130, 3845, 5008, 6152, 6260, 7690, 12304, 12520, 15380, 25040, 30760, 61520, 240697, 481394, 962788, 1203485, 1925576, 2406970, 3851152, 4813940, 9627880, 19255760]

約数ペア:

[(1, 19255760), (2, 9627880), (4, 4813940), (5, 3851152), (8, 2406970), (10, 1925576), (16, 1203485), (20, 962788), (40, 481394), (80, 240697), (313, 61520), (626, 30760), (769, 25040), (1252, 15380), (1538, 12520), (1565, 12304), (2504, 7690), (3076, 6260), (3130, 6152), (3845, 5008)]