18480154

素因数分解:

$2^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1$

素因数の和:144

約数の個数: 64

約数和(自身を含む): 36864000

約数和(自身を除く): 18383846

約数列:

[1, 2, 7, 11, 14, 22, 31, 49, 62, 77, 79, 98, 154, 158, 217, 341, 343, 434, 539, 553, 682, 686, 869, 1078, 1106, 1519, 1738, 2387, 2449, 3038, 3773, 3871, 4774, 4898, 6083, 7546, 7742, 10633, 12166, 16709, 17143, 21266, 26939, 27097, 33418, 34286, 42581, 53878, 54194, 85162, 116963, 120001, 188573, 233926, 240002, 298067, 377146, 596134, 840007, 1320011, 1680014, 2640022, 9240077, 18480154]

約数ペア:

[(1, 18480154), (2, 9240077), (7, 2640022), (11, 1680014), (14, 1320011), (22, 840007), (31, 596134), (49, 377146), (62, 298067), (77, 240002), (79, 233926), (98, 188573), (154, 120001), (158, 116963), (217, 85162), (341, 54194), (343, 53878), (434, 42581), (539, 34286), (553, 33418), (682, 27097), (686, 26939), (869, 21266), (1078, 17143), (1106, 16709), (1519, 12166), (1738, 10633), (2387, 7742), (2449, 7546), (3038, 6083), (3773, 4898), (3871, 4774)]