18396910

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{269}}^1\times {\mathrm{977}}^1$

素因数の和:1260

約数の個数: 32

約数和(自身を含む): 38024640

約数和(自身を除く): 19627730

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 269, 538, 977, 1345, 1883, 1954, 2690, 3766, 4885, 6839, 9415, 9770, 13678, 18830, 34195, 68390, 262813, 525626, 1314065, 1839691, 2628130, 3679382, 9198455, 18396910]

約数ペア:

[(1, 18396910), (2, 9198455), (5, 3679382), (7, 2628130), (10, 1839691), (14, 1314065), (35, 525626), (70, 262813), (269, 68390), (538, 34195), (977, 18830), (1345, 13678), (1883, 9770), (1954, 9415), (2690, 6839), (3766, 4885)]