17942320

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{20389}}^1$

素因数の和:20413

約数の個数: 40

約数和(自身を含む): 45510480

約数和(自身を除く): 27568160

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 20389, 40778, 81556, 101945, 163112, 203890, 224279, 326224, 407780, 448558, 815560, 897116, 1121395, 1631120, 1794232, 2242790, 3588464, 4485580, 8971160, 17942320]

約数ペア:

[(1, 17942320), (2, 8971160), (4, 4485580), (5, 3588464), (8, 2242790), (10, 1794232), (11, 1631120), (16, 1121395), (20, 897116), (22, 815560), (40, 448558), (44, 407780), (55, 326224), (80, 224279), (88, 203890), (110, 163112), (176, 101945), (220, 81556), (440, 40778), (880, 20389)]