18734700

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{197}}^1\times {\mathrm{317}}^1$

素因数の和:531

約数の個数: 72

約数和(自身を含む): 54652752

約数和(自身を除く): 35918052

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 150, 197, 300, 317, 394, 591, 634, 788, 951, 985, 1182, 1268, 1585, 1902, 1970, 2364, 2955, 3170, 3804, 3940, 4755, 4925, 5910, 6340, 7925, 9510, 9850, 11820, 14775, 15850, 19020, 19700, 23775, 29550, 31700, 47550, 59100, 62449, 95100, 124898, 187347, 249796, 312245, 374694, 624490, 749388, 936735, 1248980, 1561225, 1873470, 3122450, 3746940, 4683675, 6244900, 9367350, 18734700]

約数ペア:

[(1, 18734700), (2, 9367350), (3, 6244900), (4, 4683675), (5, 3746940), (6, 3122450), (10, 1873470), (12, 1561225), (15, 1248980), (20, 936735), (25, 749388), (30, 624490), (50, 374694), (60, 312245), (75, 249796), (100, 187347), (150, 124898), (197, 95100), (300, 62449), (317, 59100), (394, 47550), (591, 31700), (634, 29550), (788, 23775), (951, 19700), (985, 19020), (1182, 15850), (1268, 14775), (1585, 11820), (1902, 9850), (1970, 9510), (2364, 7925), (2955, 6340), (3170, 5910), (3804, 4925), (3940, 4755)]