19728756

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{23827}}^1$

素因数の和:23860

約数の個数: 36

約数和(自身を含む): 52040352

約数和(自身を除く): 32311596

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 69, 92, 138, 207, 276, 414, 828, 23827, 47654, 71481, 95308, 142962, 214443, 285924, 428886, 548021, 857772, 1096042, 1644063, 2192084, 3288126, 4932189, 6576252, 9864378, 19728756]

約数ペア:

[(1, 19728756), (2, 9864378), (3, 6576252), (4, 4932189), (6, 3288126), (9, 2192084), (12, 1644063), (18, 1096042), (23, 857772), (36, 548021), (46, 428886), (69, 285924), (92, 214443), (138, 142962), (207, 95308), (276, 71481), (414, 47654), (828, 23827)]