19640372420

素因数分解:

$2^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{653}}^1\times {\mathrm{10093}}^1$

素因数の和:10904

約数の個数: 48

約数和(自身を含む): 41589298800

約数和(自身を除く): 21948926380

約数列:

[1, 2, 4, 5, 10, 20, 149, 298, 596, 653, 745, 1306, 1490, 2612, 2980, 3265, 6530, 10093, 13060, 20186, 40372, 50465, 97297, 100930, 194594, 201860, 389188, 486485, 972970, 1503857, 1945940, 3007714, 6015428, 6590729, 7519285, 13181458, 15038570, 26362916, 30077140, 32953645, 65907290, 131814580, 982018621, 1964037242, 3928074484, 4910093105, 9820186210, 19640372420]

約数ペア:

[(1, 19640372420), (2, 9820186210), (4, 4910093105), (5, 3928074484), (10, 1964037242), (20, 982018621), (149, 131814580), (298, 65907290), (596, 32953645), (653, 30077140), (745, 26362916), (1306, 15038570), (1490, 13181458), (2612, 7519285), (2980, 6590729), (3265, 6015428), (6530, 3007714), (10093, 1945940), (13060, 1503857), (20186, 972970), (40372, 486485), (50465, 389188), (97297, 201860), (100930, 194594)]