18440019856

素因数分解:

$2^4\times {\mathrm{47}}^1\times {\mathrm{223}}^1\times {\mathrm{109961}}^1$

素因数の和:110239

約数の個数: 40

約数和(自身を含む): 36651654144

約数和(自身を除く): 18211634288

約数列:

[1, 2, 4, 8, 16, 47, 94, 188, 223, 376, 446, 752, 892, 1784, 3568, 10481, 20962, 41924, 83848, 109961, 167696, 219922, 439844, 879688, 1759376, 5168167, 10336334, 20672668, 24521303, 41345336, 49042606, 82690672, 98085212, 196170424, 392340848, 1152501241, 2305002482, 4610004964, 9220009928, 18440019856]

約数ペア:

[(1, 18440019856), (2, 9220009928), (4, 4610004964), (8, 2305002482), (16, 1152501241), (47, 392340848), (94, 196170424), (188, 98085212), (223, 82690672), (376, 49042606), (446, 41345336), (752, 24521303), (892, 20672668), (1784, 10336334), (3568, 5168167), (10481, 1759376), (20962, 879688), (41924, 439844), (83848, 219922), (109961, 167696)]