19238380

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{67}}^1\times {\mathrm{293}}^1$

素因数の和:383

約数の個数: 72

約数和(自身を含む): 47860848

約数和(自身を除く): 28622468

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 67, 70, 98, 134, 140, 196, 245, 268, 293, 335, 469, 490, 586, 670, 938, 980, 1172, 1340, 1465, 1876, 2051, 2345, 2930, 3283, 4102, 4690, 5860, 6566, 8204, 9380, 10255, 13132, 14357, 16415, 19631, 20510, 28714, 32830, 39262, 41020, 57428, 65660, 71785, 78524, 98155, 137417, 143570, 196310, 274834, 287140, 392620, 549668, 687085, 961919, 1374170, 1923838, 2748340, 3847676, 4809595, 9619190, 19238380]

約数ペア:

[(1, 19238380), (2, 9619190), (4, 4809595), (5, 3847676), (7, 2748340), (10, 1923838), (14, 1374170), (20, 961919), (28, 687085), (35, 549668), (49, 392620), (67, 287140), (70, 274834), (98, 196310), (134, 143570), (140, 137417), (196, 98155), (245, 78524), (268, 71785), (293, 65660), (335, 57428), (469, 41020), (490, 39262), (586, 32830), (670, 28714), (938, 20510), (980, 19631), (1172, 16415), (1340, 14357), (1465, 13132), (1876, 10255), (2051, 9380), (2345, 8204), (2930, 6566), (3283, 5860), (4102, 4690)]