20180757033

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{43}}^2\times {\mathrm{83}}^1\times {\mathrm{769}}^1$

素因数の和:963

約数の個数: 72

約数和(自身を含む): 31834202400

約数和(自身を除く): 11653445367

約数列:

[1, 3, 9, 19, 43, 57, 83, 129, 171, 249, 387, 747, 769, 817, 1577, 1849, 2307, 2451, 3569, 4731, 5547, 6921, 7353, 10707, 14193, 14611, 16641, 32121, 33067, 35131, 43833, 63827, 67811, 99201, 105393, 131499, 153467, 191481, 203433, 297603, 316179, 460401, 574443, 610299, 628273, 1212713, 1381203, 1421881, 1884819, 2744561, 2915873, 3638139, 4265643, 5654457, 8233683, 8747619, 10914417, 12796929, 24701049, 26242857, 27015739, 52146659, 81047217, 118016123, 156439977, 243141651, 354048369, 469319931, 1062145107, 2242306337, 6726919011, 20180757033]

約数ペア:

[(1, 20180757033), (3, 6726919011), (9, 2242306337), (19, 1062145107), (43, 469319931), (57, 354048369), (83, 243141651), (129, 156439977), (171, 118016123), (249, 81047217), (387, 52146659), (747, 27015739), (769, 26242857), (817, 24701049), (1577, 12796929), (1849, 10914417), (2307, 8747619), (2451, 8233683), (3569, 5654457), (4731, 4265643), (5547, 3638139), (6921, 2915873), (7353, 2744561), (10707, 1884819), (14193, 1421881), (14611, 1381203), (16641, 1212713), (32121, 628273), (33067, 610299), (35131, 574443), (43833, 460401), (63827, 316179), (67811, 297603), (99201, 203433), (105393, 191481), (131499, 153467)]