18077020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{251}}^1\times {\mathrm{277}}^1$

素因数の和:550

約数の個数: 48

約数和(自身を含む): 41192928

約数和(自身を除く): 23115908

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 251, 260, 277, 502, 554, 1004, 1108, 1255, 1385, 2510, 2770, 3263, 3601, 5020, 5540, 6526, 7202, 13052, 14404, 16315, 18005, 32630, 36010, 65260, 69527, 72020, 139054, 278108, 347635, 695270, 903851, 1390540, 1807702, 3615404, 4519255, 9038510, 18077020]

約数ペア:

[(1, 18077020), (2, 9038510), (4, 4519255), (5, 3615404), (10, 1807702), (13, 1390540), (20, 903851), (26, 695270), (52, 347635), (65, 278108), (130, 139054), (251, 72020), (260, 69527), (277, 65260), (502, 36010), (554, 32630), (1004, 18005), (1108, 16315), (1255, 14404), (1385, 13052), (2510, 7202), (2770, 6526), (3263, 5540), (3601, 5020)]