16916840

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{22259}}^1$

素因数の和:22289

約数の個数: 32

約数和(自身を含む): 40068000

約数和(自身を除く): 23151160

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 22259, 44518, 89036, 111295, 178072, 222590, 422921, 445180, 845842, 890360, 1691684, 2114605, 3383368, 4229210, 8458420, 16916840]

約数ペア:

[(1, 16916840), (2, 8458420), (4, 4229210), (5, 3383368), (8, 2114605), (10, 1691684), (19, 890360), (20, 845842), (38, 445180), (40, 422921), (76, 222590), (95, 178072), (152, 111295), (190, 89036), (380, 44518), (760, 22259)]