19766495

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{239}}^1$

素因数の和:407

約数の個数: 32

約数和(自身を含む): 29030400

約数和(自身を除く): 9263905

約数列:

[1, 5, 7, 17, 35, 85, 119, 139, 239, 595, 695, 973, 1195, 1673, 2363, 4063, 4865, 8365, 11815, 16541, 20315, 28441, 33221, 82705, 142205, 166105, 232547, 564757, 1162735, 2823785, 3953299, 19766495]

約数ペア:

[(1, 19766495), (5, 3953299), (7, 2823785), (17, 1162735), (35, 564757), (85, 232547), (119, 166105), (139, 142205), (239, 82705), (595, 33221), (695, 28441), (973, 20315), (1195, 16541), (1673, 11815), (2363, 8365), (4063, 4865)]