20181715917

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{146203}}^1$

素因数の和:146353

約数の個数: 32

約数和(自身を含む): 30316861440

約数和(自身を除く): 10135145523

約数列:

[1, 3, 11, 33, 47, 89, 141, 267, 517, 979, 1551, 2937, 4183, 12549, 46013, 138039, 146203, 438609, 1608233, 4824699, 6871541, 13012067, 20614623, 39036201, 75586951, 143132737, 226760853, 429398211, 611567149, 1834701447, 6727238639, 20181715917]

約数ペア:

[(1, 20181715917), (3, 6727238639), (11, 1834701447), (33, 611567149), (47, 429398211), (89, 226760853), (141, 143132737), (267, 75586951), (517, 39036201), (979, 20614623), (1551, 13012067), (2937, 6871541), (4183, 4824699), (12549, 1608233), (46013, 438609), (138039, 146203)]