17721972

素因数分解:

$2^2\times 3^2\times {\mathrm{607}}^1\times {\mathrm{811}}^1$

素因数の和:1428

約数の個数: 36

約数和(自身を含む): 44926336

約数和(自身を除く): 27204364

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 607, 811, 1214, 1622, 1821, 2428, 2433, 3244, 3642, 4866, 5463, 7284, 7299, 9732, 10926, 14598, 21852, 29196, 492277, 984554, 1476831, 1969108, 2953662, 4430493, 5907324, 8860986, 17721972]

約数ペア:

[(1, 17721972), (2, 8860986), (3, 5907324), (4, 4430493), (6, 2953662), (9, 1969108), (12, 1476831), (18, 984554), (36, 492277), (607, 29196), (811, 21852), (1214, 14598), (1622, 10926), (1821, 9732), (2428, 7299), (2433, 7284), (3244, 5463), (3642, 4866)]