18580952

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{3371}}^1$

素因数の和:3443

約数の個数: 32

約数和(自身を含む): 38238480

約数和(自身を除く): 19657528

約数列:

[1, 2, 4, 8, 13, 26, 52, 53, 104, 106, 212, 424, 689, 1378, 2756, 3371, 5512, 6742, 13484, 26968, 43823, 87646, 175292, 178663, 350584, 357326, 714652, 1429304, 2322619, 4645238, 9290476, 18580952]

約数ペア:

[(1, 18580952), (2, 9290476), (4, 4645238), (8, 2322619), (13, 1429304), (26, 714652), (52, 357326), (53, 350584), (104, 178663), (106, 175292), (212, 87646), (424, 43823), (689, 26968), (1378, 13484), (2756, 6742), (3371, 5512)]