18143700

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{197}}^1\times {\mathrm{307}}^1$

素因数の和:521

約数の個数: 72

約数和(自身を含む): 52934112

約数和(自身を除く): 34790412

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 150, 197, 300, 307, 394, 591, 614, 788, 921, 985, 1182, 1228, 1535, 1842, 1970, 2364, 2955, 3070, 3684, 3940, 4605, 4925, 5910, 6140, 7675, 9210, 9850, 11820, 14775, 15350, 18420, 19700, 23025, 29550, 30700, 46050, 59100, 60479, 92100, 120958, 181437, 241916, 302395, 362874, 604790, 725748, 907185, 1209580, 1511975, 1814370, 3023950, 3628740, 4535925, 6047900, 9071850, 18143700]

約数ペア:

[(1, 18143700), (2, 9071850), (3, 6047900), (4, 4535925), (5, 3628740), (6, 3023950), (10, 1814370), (12, 1511975), (15, 1209580), (20, 907185), (25, 725748), (30, 604790), (50, 362874), (60, 302395), (75, 241916), (100, 181437), (150, 120958), (197, 92100), (300, 60479), (307, 59100), (394, 46050), (591, 30700), (614, 29550), (788, 23025), (921, 19700), (985, 18420), (1182, 15350), (1228, 14775), (1535, 11820), (1842, 9850), (1970, 9210), (2364, 7675), (2955, 6140), (3070, 5910), (3684, 4925), (3940, 4605)]