20191518

素因数分解:

$2^1\times 3^4\times {\mathrm{113}}^1\times {\mathrm{1103}}^1$

素因数の和:1230

約数の個数: 40

約数和(自身を含む): 45685728

約数和(自身を除く): 25494210

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 113, 162, 226, 339, 678, 1017, 1103, 2034, 2206, 3051, 3309, 6102, 6618, 9153, 9927, 18306, 19854, 29781, 59562, 89343, 124639, 178686, 249278, 373917, 747834, 1121751, 2243502, 3365253, 6730506, 10095759, 20191518]

約数ペア:

[(1, 20191518), (2, 10095759), (3, 6730506), (6, 3365253), (9, 2243502), (18, 1121751), (27, 747834), (54, 373917), (81, 249278), (113, 178686), (162, 124639), (226, 89343), (339, 59562), (678, 29781), (1017, 19854), (1103, 18306), (2034, 9927), (2206, 9153), (3051, 6618), (3309, 6102)]