12049420

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{857}}^1$

素因数の和:922

約数の個数: 48

約数和(自身を含む): 27387360

約数和(自身を除く): 15337940

約数列:

[1, 2, 4, 5, 10, 19, 20, 37, 38, 74, 76, 95, 148, 185, 190, 370, 380, 703, 740, 857, 1406, 1714, 2812, 3428, 3515, 4285, 7030, 8570, 14060, 16283, 17140, 31709, 32566, 63418, 65132, 81415, 126836, 158545, 162830, 317090, 325660, 602471, 634180, 1204942, 2409884, 3012355, 6024710, 12049420]

約数ペア:

[(1, 12049420), (2, 6024710), (4, 3012355), (5, 2409884), (10, 1204942), (19, 634180), (20, 602471), (37, 325660), (38, 317090), (74, 162830), (76, 158545), (95, 126836), (148, 81415), (185, 65132), (190, 63418), (370, 32566), (380, 31709), (703, 17140), (740, 16283), (857, 14060), (1406, 8570), (1714, 7030), (2812, 4285), (3428, 3515)]