18321900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{157}}^1\times {\mathrm{389}}^1$

素因数の和:563

約数の個数: 72

約数和(自身を含む): 53486160

約数和(自身を除く): 35164260

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 150, 157, 300, 314, 389, 471, 628, 778, 785, 942, 1167, 1556, 1570, 1884, 1945, 2334, 2355, 3140, 3890, 3925, 4668, 4710, 5835, 7780, 7850, 9420, 9725, 11670, 11775, 15700, 19450, 23340, 23550, 29175, 38900, 47100, 58350, 61073, 116700, 122146, 183219, 244292, 305365, 366438, 610730, 732876, 916095, 1221460, 1526825, 1832190, 3053650, 3664380, 4580475, 6107300, 9160950, 18321900]

約数ペア:

[(1, 18321900), (2, 9160950), (3, 6107300), (4, 4580475), (5, 3664380), (6, 3053650), (10, 1832190), (12, 1526825), (15, 1221460), (20, 916095), (25, 732876), (30, 610730), (50, 366438), (60, 305365), (75, 244292), (100, 183219), (150, 122146), (157, 116700), (300, 61073), (314, 58350), (389, 47100), (471, 38900), (628, 29175), (778, 23550), (785, 23340), (942, 19450), (1167, 15700), (1556, 11775), (1570, 11670), (1884, 9725), (1945, 9420), (2334, 7850), (2355, 7780), (3140, 5835), (3890, 4710), (3925, 4668)]