17906820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{149}}^1\times {\mathrm{2003}}^1$

素因数の和:2164

約数の個数: 48

約数和(自身を含む): 50500800

約数和(自身を除く): 32593980

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 149, 298, 447, 596, 745, 894, 1490, 1788, 2003, 2235, 2980, 4006, 4470, 6009, 8012, 8940, 10015, 12018, 20030, 24036, 30045, 40060, 60090, 120180, 298447, 596894, 895341, 1193788, 1492235, 1790682, 2984470, 3581364, 4476705, 5968940, 8953410, 17906820]

約数ペア:

[(1, 17906820), (2, 8953410), (3, 5968940), (4, 4476705), (5, 3581364), (6, 2984470), (10, 1790682), (12, 1492235), (15, 1193788), (20, 895341), (30, 596894), (60, 298447), (149, 120180), (298, 60090), (447, 40060), (596, 30045), (745, 24036), (894, 20030), (1490, 12018), (1788, 10015), (2003, 8940), (2235, 8012), (2980, 6009), (4006, 4470)]