19368321

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{227}}^1\times {\mathrm{239}}^1$

素因数の和:493

約数の個数: 32

約数和(自身を含む): 31518720

約数和(自身を除く): 12150399

約数列:

[1, 3, 7, 17, 21, 51, 119, 227, 239, 357, 681, 717, 1589, 1673, 3859, 4063, 4767, 5019, 11577, 12189, 27013, 28441, 54253, 81039, 85323, 162759, 379771, 922301, 1139313, 2766903, 6456107, 19368321]

約数ペア:

[(1, 19368321), (3, 6456107), (7, 2766903), (17, 1139313), (21, 922301), (51, 379771), (119, 162759), (227, 85323), (239, 81039), (357, 54253), (681, 28441), (717, 27013), (1589, 12189), (1673, 11577), (3859, 5019), (4063, 4767)]