31219506

素因数分解:

$2^1\times 3^4\times {\mathrm{103}}^1\times {\mathrm{1871}}^1$

素因数の和:1988

約数の個数: 40

約数和(自身を含む): 70671744

約数和(自身を除く): 39452238

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 103, 162, 206, 309, 618, 927, 1854, 1871, 2781, 3742, 5562, 5613, 8343, 11226, 16686, 16839, 33678, 50517, 101034, 151551, 192713, 303102, 385426, 578139, 1156278, 1734417, 3468834, 5203251, 10406502, 15609753, 31219506]

約数ペア:

[(1, 31219506), (2, 15609753), (3, 10406502), (6, 5203251), (9, 3468834), (18, 1734417), (27, 1156278), (54, 578139), (81, 385426), (103, 303102), (162, 192713), (206, 151551), (309, 101034), (618, 50517), (927, 33678), (1854, 16839), (1871, 16686), (2781, 11226), (3742, 8343), (5562, 5613)]