19970294490

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{431}}^1\times {\mathrm{514831}}^1$

素因数の和:515275

約数の個数: 48

約数和(自身を含む): 52043337216

約数和(自身を除く): 32073042726

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 431, 862, 1293, 2155, 2586, 3879, 4310, 6465, 7758, 12930, 19395, 38790, 514831, 1029662, 1544493, 2574155, 3088986, 4633479, 5148310, 7722465, 9266958, 15444930, 23167395, 46334790, 221892161, 443784322, 665676483, 1109460805, 1331352966, 1997029449, 2218921610, 3328382415, 3994058898, 6656764830, 9985147245, 19970294490]

約数ペア:

[(1, 19970294490), (2, 9985147245), (3, 6656764830), (5, 3994058898), (6, 3328382415), (9, 2218921610), (10, 1997029449), (15, 1331352966), (18, 1109460805), (30, 665676483), (45, 443784322), (90, 221892161), (431, 46334790), (862, 23167395), (1293, 15444930), (2155, 9266958), (2586, 7722465), (3879, 5148310), (4310, 4633479), (6465, 3088986), (7758, 2574155), (12930, 1544493), (19395, 1029662), (38790, 514831)]