19738935

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{101}}^2$

素因数の和:256

約数の個数: 36

約数和(自身を含む): 35359896

約数和(自身を除く): 15620961

約数列:

[1, 3, 5, 9, 15, 43, 45, 101, 129, 215, 303, 387, 505, 645, 909, 1515, 1935, 4343, 4545, 10201, 13029, 21715, 30603, 39087, 51005, 65145, 91809, 153015, 195435, 438643, 459045, 1315929, 2193215, 3947787, 6579645, 19738935]

約数ペア:

[(1, 19738935), (3, 6579645), (5, 3947787), (9, 2193215), (15, 1315929), (43, 459045), (45, 438643), (101, 195435), (129, 153015), (215, 91809), (303, 65145), (387, 51005), (505, 39087), (645, 30603), (909, 21715), (1515, 13029), (1935, 10201), (4343, 4545)]