19976650

素因数分解:

$2^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{599}}^1$

素因数の和:663

約数の個数: 48

約数和(自身を含む): 40176000

約数和(自身を除く): 20199350

約数列:

[1, 2, 5, 10, 23, 25, 29, 46, 50, 58, 115, 145, 230, 290, 575, 599, 667, 725, 1150, 1198, 1334, 1450, 2995, 3335, 5990, 6670, 13777, 14975, 16675, 17371, 27554, 29950, 33350, 34742, 68885, 86855, 137770, 173710, 344425, 399533, 434275, 688850, 799066, 868550, 1997665, 3995330, 9988325, 19976650]

約数ペア:

[(1, 19976650), (2, 9988325), (5, 3995330), (10, 1997665), (23, 868550), (25, 799066), (29, 688850), (46, 434275), (50, 399533), (58, 344425), (115, 173710), (145, 137770), (230, 86855), (290, 68885), (575, 34742), (599, 33350), (667, 29950), (725, 27554), (1150, 17371), (1198, 16675), (1334, 14975), (1450, 13777), (2995, 6670), (3335, 5990)]