213940912

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{703753}}^1$

素因数の和:703780

約数の個数: 20

約数和(自身を含む): 436327480

約数和(自身を除く): 222386568

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 703753, 1407506, 2815012, 5630024, 11260048, 13371307, 26742614, 53485228, 106970456, 213940912]

約数ペア:

[(1, 213940912), (2, 106970456), (4, 53485228), (8, 26742614), (16, 13371307), (19, 11260048), (38, 5630024), (76, 2815012), (152, 1407506), (304, 703753)]