20181366

素因数分解:

$2^1\times 3^3\times {\mathrm{503}}^1\times {\mathrm{743}}^1$

素因数の和:1257

約数の個数: 32

約数和(自身を含む): 44997120

約数和(自身を除く): 24815754

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 503, 743, 1006, 1486, 1509, 2229, 3018, 4458, 4527, 6687, 9054, 13374, 13581, 20061, 27162, 40122, 373729, 747458, 1121187, 2242374, 3363561, 6727122, 10090683, 20181366]

約数ペア:

[(1, 20181366), (2, 10090683), (3, 6727122), (6, 3363561), (9, 2242374), (18, 1121187), (27, 747458), (54, 373729), (503, 40122), (743, 27162), (1006, 20061), (1486, 13581), (1509, 13374), (2229, 9054), (3018, 6687), (4458, 4527)]