18912678

素因数分解:

$2^1\times 3^1\times {\mathrm{89}}^1\times {\mathrm{107}}^1\times {\mathrm{331}}^1$

素因数の和:532

約数の個数: 32

約数和(自身を含む): 38724480

約数和(自身を除く): 19811802

約数列:

[1, 2, 3, 6, 89, 107, 178, 214, 267, 321, 331, 534, 642, 662, 993, 1986, 9523, 19046, 28569, 29459, 35417, 57138, 58918, 70834, 88377, 106251, 176754, 212502, 3152113, 6304226, 9456339, 18912678]

約数ペア:

[(1, 18912678), (2, 9456339), (3, 6304226), (6, 3152113), (89, 212502), (107, 176754), (178, 106251), (214, 88377), (267, 70834), (321, 58918), (331, 57138), (534, 35417), (642, 29459), (662, 28569), (993, 19046), (1986, 9523)]