18383404780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{3721337}}^1$

素因数の和:3721378

約数の個数: 48

約数和(自身を含む): 43762934880

約数和(自身を除く): 25379530100

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 988, 1235, 2470, 4940, 3721337, 7442674, 14885348, 18606685, 37213370, 48377381, 70705403, 74426740, 96754762, 141410806, 193509524, 241886905, 282821612, 353527015, 483773810, 707054030, 919170239, 967547620, 1414108060, 1838340478, 3676680956, 4595851195, 9191702390, 18383404780]

約数ペア:

[(1, 18383404780), (2, 9191702390), (4, 4595851195), (5, 3676680956), (10, 1838340478), (13, 1414108060), (19, 967547620), (20, 919170239), (26, 707054030), (38, 483773810), (52, 353527015), (65, 282821612), (76, 241886905), (95, 193509524), (130, 141410806), (190, 96754762), (247, 74426740), (260, 70705403), (380, 48377381), (494, 37213370), (988, 18606685), (1235, 14885348), (2470, 7442674), (4940, 3721337)]