19816870591

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1\times {\mathrm{29429}}^1$

素因数の和:29599

約数の個数: 32

約数和(自身を含む): 24523430400

約数和(自身を除く): 4706559809

約数列:

[1, 7, 19, 61, 83, 133, 427, 581, 1159, 1577, 5063, 8113, 11039, 29429, 35441, 96197, 206003, 559151, 673379, 1795169, 2442607, 3914057, 12566183, 17098249, 34108211, 46409533, 148999027, 238757477, 324866731, 1042993189, 2830981513, 19816870591]

約数ペア:

[(1, 19816870591), (7, 2830981513), (19, 1042993189), (61, 324866731), (83, 238757477), (133, 148999027), (427, 46409533), (581, 34108211), (1159, 17098249), (1577, 12566183), (5063, 3914057), (8113, 2442607), (11039, 1795169), (29429, 673379), (35441, 559151), (96197, 206003)]