19427970

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{137}}^1\times {\mathrm{163}}^1$

素因数の和:339

約数の個数: 64

約数和(自身を含む): 48885120

約数和(自身を除く): 29457150

約数列:

[1, 2, 3, 5, 6, 10, 15, 29, 30, 58, 87, 137, 145, 163, 174, 274, 290, 326, 411, 435, 489, 685, 815, 822, 870, 978, 1370, 1630, 2055, 2445, 3973, 4110, 4727, 4890, 7946, 9454, 11919, 14181, 19865, 22331, 23635, 23838, 28362, 39730, 44662, 47270, 59595, 66993, 70905, 111655, 119190, 133986, 141810, 223310, 334965, 647599, 669930, 1295198, 1942797, 3237995, 3885594, 6475990, 9713985, 19427970]

約数ペア:

[(1, 19427970), (2, 9713985), (3, 6475990), (5, 3885594), (6, 3237995), (10, 1942797), (15, 1295198), (29, 669930), (30, 647599), (58, 334965), (87, 223310), (137, 141810), (145, 133986), (163, 119190), (174, 111655), (274, 70905), (290, 66993), (326, 59595), (411, 47270), (435, 44662), (489, 39730), (685, 28362), (815, 23838), (822, 23635), (870, 22331), (978, 19865), (1370, 14181), (1630, 11919), (2055, 9454), (2445, 7946), (3973, 4890), (4110, 4727)]