18542860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{6971}}^1$

素因数の和:7006

約数の個数: 48

約数和(自身を含む): 46851840

約数和(自身を除く): 28308980

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1330, 2660, 6971, 13942, 27884, 34855, 48797, 69710, 97594, 132449, 139420, 195188, 243985, 264898, 487970, 529796, 662245, 927143, 975940, 1324490, 1854286, 2648980, 3708572, 4635715, 9271430, 18542860]

約数ペア:

[(1, 18542860), (2, 9271430), (4, 4635715), (5, 3708572), (7, 2648980), (10, 1854286), (14, 1324490), (19, 975940), (20, 927143), (28, 662245), (35, 529796), (38, 487970), (70, 264898), (76, 243985), (95, 195188), (133, 139420), (140, 132449), (190, 97594), (266, 69710), (380, 48797), (532, 34855), (665, 27884), (1330, 13942), (2660, 6971)]