18939564

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{4421}}^1$

素因数の和:4455

約数の個数: 72

約数和(自身を含む): 57945888

約数和(自身を除く): 39006324

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 17, 18, 21, 28, 34, 36, 42, 51, 63, 68, 84, 102, 119, 126, 153, 204, 238, 252, 306, 357, 476, 612, 714, 1071, 1428, 2142, 4284, 4421, 8842, 13263, 17684, 26526, 30947, 39789, 53052, 61894, 75157, 79578, 92841, 123788, 150314, 159156, 185682, 225471, 278523, 300628, 371364, 450942, 526099, 557046, 676413, 901884, 1052198, 1114092, 1352826, 1578297, 2104396, 2705652, 3156594, 4734891, 6313188, 9469782, 18939564]

約数ペア:

[(1, 18939564), (2, 9469782), (3, 6313188), (4, 4734891), (6, 3156594), (7, 2705652), (9, 2104396), (12, 1578297), (14, 1352826), (17, 1114092), (18, 1052198), (21, 901884), (28, 676413), (34, 557046), (36, 526099), (42, 450942), (51, 371364), (63, 300628), (68, 278523), (84, 225471), (102, 185682), (119, 159156), (126, 150314), (153, 123788), (204, 92841), (238, 79578), (252, 75157), (306, 61894), (357, 53052), (476, 39789), (612, 30947), (714, 26526), (1071, 17684), (1428, 13263), (2142, 8842), (4284, 4421)]