18564195

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1$

素因数の和:172

約数の個数: 64

約数和(自身を含む): 34320384

約数和(自身を除く): 15756189

約数列:

[1, 3, 5, 13, 15, 31, 37, 39, 65, 83, 93, 111, 155, 185, 195, 249, 403, 415, 465, 481, 555, 1079, 1147, 1209, 1245, 1443, 2015, 2405, 2573, 3071, 3237, 3441, 5395, 5735, 6045, 7215, 7719, 9213, 12865, 14911, 15355, 16185, 17205, 33449, 38595, 39923, 44733, 46065, 74555, 95201, 100347, 119769, 167245, 199615, 223665, 285603, 476005, 501735, 598845, 1237613, 1428015, 3712839, 6188065, 18564195]

約数ペア:

[(1, 18564195), (3, 6188065), (5, 3712839), (13, 1428015), (15, 1237613), (31, 598845), (37, 501735), (39, 476005), (65, 285603), (83, 223665), (93, 199615), (111, 167245), (155, 119769), (185, 100347), (195, 95201), (249, 74555), (403, 46065), (415, 44733), (465, 39923), (481, 38595), (555, 33449), (1079, 17205), (1147, 16185), (1209, 15355), (1245, 14911), (1443, 12865), (2015, 9213), (2405, 7719), (2573, 7215), (3071, 6045), (3237, 5735), (3441, 5395)]