20181996

素因数分解:

$2^2\times 3^2\times {\mathrm{89}}^1\times {\mathrm{6299}}^1$

素因数の和:6398

約数の個数: 36

約数和(自身を含む): 51597000

約数和(自身を除く): 31415004

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 89, 178, 267, 356, 534, 801, 1068, 1602, 3204, 6299, 12598, 18897, 25196, 37794, 56691, 75588, 113382, 226764, 560611, 1121222, 1681833, 2242444, 3363666, 5045499, 6727332, 10090998, 20181996]

約数ペア:

[(1, 20181996), (2, 10090998), (3, 6727332), (4, 5045499), (6, 3363666), (9, 2242444), (12, 1681833), (18, 1121222), (36, 560611), (89, 226764), (178, 113382), (267, 75588), (356, 56691), (534, 37794), (801, 25196), (1068, 18897), (1602, 12598), (3204, 6299)]