18624645

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{79}}^1$

素因数の和:147

約数の個数: 72

約数和(自身を含む): 36541440

約数和(自身を除く): 17916795

約数列:

[1, 3, 5, 9, 13, 15, 31, 39, 45, 65, 79, 93, 117, 155, 169, 195, 237, 279, 395, 403, 465, 507, 585, 711, 845, 1027, 1185, 1209, 1395, 1521, 2015, 2449, 2535, 3081, 3555, 3627, 5135, 5239, 6045, 7347, 7605, 9243, 12245, 13351, 15405, 15717, 18135, 22041, 26195, 31837, 36735, 40053, 46215, 47151, 66755, 78585, 95511, 110205, 120159, 159185, 200265, 235755, 286533, 413881, 477555, 600795, 1241643, 1432665, 2069405, 3724929, 6208215, 18624645]

約数ペア:

[(1, 18624645), (3, 6208215), (5, 3724929), (9, 2069405), (13, 1432665), (15, 1241643), (31, 600795), (39, 477555), (45, 413881), (65, 286533), (79, 235755), (93, 200265), (117, 159185), (155, 120159), (169, 110205), (195, 95511), (237, 78585), (279, 66755), (395, 47151), (403, 46215), (465, 40053), (507, 36735), (585, 31837), (711, 26195), (845, 22041), (1027, 18135), (1185, 15717), (1209, 15405), (1395, 13351), (1521, 12245), (2015, 9243), (2449, 7605), (2535, 7347), (3081, 6045), (3555, 5239), (3627, 5135)]