19727910

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{2011}}^1$

素因数の和:2133

約数の個数: 48

約数和(自身を含む): 51788880

約数和(自身を除く): 32060970

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 109, 218, 327, 545, 654, 981, 1090, 1635, 1962, 2011, 3270, 4022, 4905, 6033, 9810, 10055, 12066, 18099, 20110, 30165, 36198, 60330, 90495, 180990, 219199, 438398, 657597, 1095995, 1315194, 1972791, 2191990, 3287985, 3945582, 6575970, 9863955, 19727910]

約数ペア:

[(1, 19727910), (2, 9863955), (3, 6575970), (5, 3945582), (6, 3287985), (9, 2191990), (10, 1972791), (15, 1315194), (18, 1095995), (30, 657597), (45, 438398), (90, 219199), (109, 180990), (218, 90495), (327, 60330), (545, 36198), (654, 30165), (981, 20110), (1090, 18099), (1635, 12066), (1962, 10055), (2011, 9810), (3270, 6033), (4022, 4905)]