19153950

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{149}}^1\times {\mathrm{857}}^1$

素因数の和:1021

約数の個数: 48

約数和(自身を含む): 47876400

約数和(自身を除く): 28722450

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 149, 150, 298, 447, 745, 857, 894, 1490, 1714, 2235, 2571, 3725, 4285, 4470, 5142, 7450, 8570, 11175, 12855, 21425, 22350, 25710, 42850, 64275, 127693, 128550, 255386, 383079, 638465, 766158, 1276930, 1915395, 3192325, 3830790, 6384650, 9576975, 19153950]

約数ペア:

[(1, 19153950), (2, 9576975), (3, 6384650), (5, 3830790), (6, 3192325), (10, 1915395), (15, 1276930), (25, 766158), (30, 638465), (50, 383079), (75, 255386), (149, 128550), (150, 127693), (298, 64275), (447, 42850), (745, 25710), (857, 22350), (894, 21425), (1490, 12855), (1714, 11175), (2235, 8570), (2571, 7450), (3725, 5142), (4285, 4470)]