19507920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{81283}}^1$

素因数の和:81299

約数の個数: 40

約数和(自身を含む): 60475296

約数和(自身を除く): 40967376

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 81283, 162566, 243849, 325132, 406415, 487698, 650264, 812830, 975396, 1219245, 1300528, 1625660, 1950792, 2438490, 3251320, 3901584, 4876980, 6502640, 9753960, 19507920]

約数ペア:

[(1, 19507920), (2, 9753960), (3, 6502640), (4, 4876980), (5, 3901584), (6, 3251320), (8, 2438490), (10, 1950792), (12, 1625660), (15, 1300528), (16, 1219245), (20, 975396), (24, 812830), (30, 650264), (40, 487698), (48, 406415), (60, 325132), (80, 243849), (120, 162566), (240, 81283)]