18911550708

素因数分解:

$2^2\times 3^3\times {\mathrm{421}}^1\times {\mathrm{415931}}^1$

素因数の和:416365

約数の個数: 48

約数和(自身を含む): 49146525120

約数和(自身を除く): 30234974412

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 421, 842, 1263, 1684, 2526, 3789, 5052, 7578, 11367, 15156, 22734, 45468, 415931, 831862, 1247793, 1663724, 2495586, 3743379, 4991172, 7486758, 11230137, 14973516, 22460274, 44920548, 175106951, 350213902, 525320853, 700427804, 1050641706, 1575962559, 2101283412, 3151925118, 4727887677, 6303850236, 9455775354, 18911550708]

約数ペア:

[(1, 18911550708), (2, 9455775354), (3, 6303850236), (4, 4727887677), (6, 3151925118), (9, 2101283412), (12, 1575962559), (18, 1050641706), (27, 700427804), (36, 525320853), (54, 350213902), (108, 175106951), (421, 44920548), (842, 22460274), (1263, 14973516), (1684, 11230137), (2526, 7486758), (3789, 4991172), (5052, 3743379), (7578, 2495586), (11367, 1663724), (15156, 1247793), (22734, 831862), (45468, 415931)]