19872970

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{2591}}^1$

素因数の和:2670

約数の個数: 32

約数和(自身を含む): 39191040

約数和(自身を除く): 19318070

約数列:

[1, 2, 5, 10, 13, 26, 59, 65, 118, 130, 295, 590, 767, 1534, 2591, 3835, 5182, 7670, 12955, 25910, 33683, 67366, 152869, 168415, 305738, 336830, 764345, 1528690, 1987297, 3974594, 9936485, 19872970]

約数ペア:

[(1, 19872970), (2, 9936485), (5, 3974594), (10, 1987297), (13, 1528690), (26, 764345), (59, 336830), (65, 305738), (118, 168415), (130, 152869), (295, 67366), (590, 33683), (767, 25910), (1534, 12955), (2591, 7670), (3835, 5182)]