19753860

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{6719}}^1$

素因数の和:6745

約数の個数: 72

約数和(自身を含む): 64350720

約数和(自身を除く): 44596860

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 6719, 13438, 20157, 26876, 33595, 40314, 47033, 67190, 80628, 94066, 100785, 134380, 141099, 188132, 201570, 235165, 282198, 329231, 403140, 470330, 564396, 658462, 705495, 940660, 987693, 1316924, 1410990, 1646155, 1975386, 2821980, 3292310, 3950772, 4938465, 6584620, 9876930, 19753860]

約数ペア:

[(1, 19753860), (2, 9876930), (3, 6584620), (4, 4938465), (5, 3950772), (6, 3292310), (7, 2821980), (10, 1975386), (12, 1646155), (14, 1410990), (15, 1316924), (20, 987693), (21, 940660), (28, 705495), (30, 658462), (35, 564396), (42, 470330), (49, 403140), (60, 329231), (70, 282198), (84, 235165), (98, 201570), (105, 188132), (140, 141099), (147, 134380), (196, 100785), (210, 94066), (245, 80628), (294, 67190), (420, 47033), (490, 40314), (588, 33595), (735, 26876), (980, 20157), (1470, 13438), (2940, 6719)]