18729282

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{263}}^1$

素因数の和:375

約数の個数: 64

約数和(自身を含む): 44706816

約数和(自身を除く): 25977534

約数列:

[1, 2, 3, 6, 11, 13, 22, 26, 33, 39, 66, 78, 83, 143, 166, 249, 263, 286, 429, 498, 526, 789, 858, 913, 1079, 1578, 1826, 2158, 2739, 2893, 3237, 3419, 5478, 5786, 6474, 6838, 8679, 10257, 11869, 17358, 20514, 21829, 23738, 35607, 37609, 43658, 65487, 71214, 75218, 112827, 130974, 225654, 240119, 283777, 480238, 567554, 720357, 851331, 1440714, 1702662, 3121547, 6243094, 9364641, 18729282]

約数ペア:

[(1, 18729282), (2, 9364641), (3, 6243094), (6, 3121547), (11, 1702662), (13, 1440714), (22, 851331), (26, 720357), (33, 567554), (39, 480238), (66, 283777), (78, 240119), (83, 225654), (143, 130974), (166, 112827), (249, 75218), (263, 71214), (286, 65487), (429, 43658), (498, 37609), (526, 35607), (789, 23738), (858, 21829), (913, 20514), (1079, 17358), (1578, 11869), (1826, 10257), (2158, 8679), (2739, 6838), (2893, 6474), (3237, 5786), (3419, 5478)]