18915768

素因数分解:

$2^3\times 3^4\times {\mathrm{29191}}^1$

素因数の和:29209

約数の個数: 40

約数和(自身を含む): 52983480

約数和(自身を除く): 34067712

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 324, 648, 29191, 58382, 87573, 116764, 175146, 233528, 262719, 350292, 525438, 700584, 788157, 1050876, 1576314, 2101752, 2364471, 3152628, 4728942, 6305256, 9457884, 18915768]

約数ペア:

[(1, 18915768), (2, 9457884), (3, 6305256), (4, 4728942), (6, 3152628), (8, 2364471), (9, 2101752), (12, 1576314), (18, 1050876), (24, 788157), (27, 700584), (36, 525438), (54, 350292), (72, 262719), (81, 233528), (108, 175146), (162, 116764), (216, 87573), (324, 58382), (648, 29191)]