9863660

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{257}}^1$

素因数の和:386

約数の個数: 48

約数和(自身を含む): 22105440

約数和(自身を除く): 12241780

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 101, 190, 202, 257, 380, 404, 505, 514, 1010, 1028, 1285, 1919, 2020, 2570, 3838, 4883, 5140, 7676, 9595, 9766, 19190, 19532, 24415, 25957, 38380, 48830, 51914, 97660, 103828, 129785, 259570, 493183, 519140, 986366, 1972732, 2465915, 4931830, 9863660]

約数ペア:

[(1, 9863660), (2, 4931830), (4, 2465915), (5, 1972732), (10, 986366), (19, 519140), (20, 493183), (38, 259570), (76, 129785), (95, 103828), (101, 97660), (190, 51914), (202, 48830), (257, 38380), (380, 25957), (404, 24415), (505, 19532), (514, 19190), (1010, 9766), (1028, 9595), (1285, 7676), (1919, 5140), (2020, 4883), (2570, 3838)]