20181028878

素因数分解:

$2^1\times 3^3\times {\mathrm{2663}}^1\times {\mathrm{140339}}^1$

素因数の和:143013

約数の個数: 32

約数和(自身を含む): 44863891200

約数和(自身を除く): 24682862322

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 2663, 5326, 7989, 15978, 23967, 47934, 71901, 140339, 143802, 280678, 421017, 842034, 1263051, 2526102, 3789153, 7578306, 373722757, 747445514, 1121168271, 2242336542, 3363504813, 6727009626, 10090514439, 20181028878]

約数ペア:

[(1, 20181028878), (2, 10090514439), (3, 6727009626), (6, 3363504813), (9, 2242336542), (18, 1121168271), (27, 747445514), (54, 373722757), (2663, 7578306), (5326, 3789153), (7989, 2526102), (15978, 1263051), (23967, 842034), (47934, 421017), (71901, 280678), (140339, 143802)]