20181279963

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1439}}^1\times {\mathrm{9719}}^1$

素因数の和:11211

約数の個数: 32

約数和(自身を含む): 29785190400

約数和(自身を除く): 9603910437

約数列:

[1, 3, 13, 37, 39, 111, 481, 1439, 1443, 4317, 9719, 18707, 29157, 53243, 56121, 126347, 159729, 359603, 379041, 692159, 1078809, 2076477, 4674839, 13985641, 14024517, 41956923, 181813333, 517468717, 545439999, 1552406151, 6727093321, 20181279963]

約数ペア:

[(1, 20181279963), (3, 6727093321), (13, 1552406151), (37, 545439999), (39, 517468717), (111, 181813333), (481, 41956923), (1439, 14024517), (1443, 13985641), (4317, 4674839), (9719, 2076477), (18707, 1078809), (29157, 692159), (53243, 379041), (56121, 359603), (126347, 159729)]