19982850

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{101}}^1\times {\mathrm{1319}}^1$

素因数の和:1435

約数の個数: 48

約数和(自身を含む): 50086080

約数和(自身を除く): 30103230

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 101, 150, 202, 303, 505, 606, 1010, 1319, 1515, 2525, 2638, 3030, 3957, 5050, 6595, 7575, 7914, 13190, 15150, 19785, 32975, 39570, 65950, 98925, 133219, 197850, 266438, 399657, 666095, 799314, 1332190, 1998285, 3330475, 3996570, 6660950, 9991425, 19982850]

約数ペア:

[(1, 19982850), (2, 9991425), (3, 6660950), (5, 3996570), (6, 3330475), (10, 1998285), (15, 1332190), (25, 799314), (30, 666095), (50, 399657), (75, 266438), (101, 197850), (150, 133219), (202, 98925), (303, 65950), (505, 39570), (606, 32975), (1010, 19785), (1319, 15150), (1515, 13190), (2525, 7914), (2638, 7575), (3030, 6595), (3957, 5050)]