18781992

素因数分解:

$2^3\times 3^2\times {\mathrm{260861}}^1$

素因数の和:260873

約数の個数: 24

約数和(自身を含む): 50868090

約数和(自身を除く): 32086098

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 260861, 521722, 782583, 1043444, 1565166, 2086888, 2347749, 3130332, 4695498, 6260664, 9390996, 18781992]

約数ペア:

[(1, 18781992), (2, 9390996), (3, 6260664), (4, 4695498), (6, 3130332), (8, 2347749), (9, 2086888), (12, 1565166), (18, 1043444), (24, 782583), (36, 521722), (72, 260861)]