18779940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{1033}}^1$

素因数の和:1149

約数の個数: 72

約数和(自身を含む): 57585528

約数和(自身を除く): 38805588

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 101, 180, 202, 303, 404, 505, 606, 909, 1010, 1033, 1212, 1515, 1818, 2020, 2066, 3030, 3099, 3636, 4132, 4545, 5165, 6060, 6198, 9090, 9297, 10330, 12396, 15495, 18180, 18594, 20660, 30990, 37188, 46485, 61980, 92970, 104333, 185940, 208666, 312999, 417332, 521665, 625998, 938997, 1043330, 1251996, 1564995, 1877994, 2086660, 3129990, 3755988, 4694985, 6259980, 9389970, 18779940]

約数ペア:

[(1, 18779940), (2, 9389970), (3, 6259980), (4, 4694985), (5, 3755988), (6, 3129990), (9, 2086660), (10, 1877994), (12, 1564995), (15, 1251996), (18, 1043330), (20, 938997), (30, 625998), (36, 521665), (45, 417332), (60, 312999), (90, 208666), (101, 185940), (180, 104333), (202, 92970), (303, 61980), (404, 46485), (505, 37188), (606, 30990), (909, 20660), (1010, 18594), (1033, 18180), (1212, 15495), (1515, 12396), (1818, 10330), (2020, 9297), (2066, 9090), (3030, 6198), (3099, 6060), (3636, 5165), (4132, 4545)]