18467810

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^2\times {\mathrm{71}}^1$

素因数の和:171

約数の個数: 48

約数和(自身を含む): 36469440

約数和(自身を除く): 18001630

約数列:

[1, 2, 5, 10, 19, 37, 38, 71, 74, 95, 142, 185, 190, 355, 370, 703, 710, 1349, 1369, 1406, 2627, 2698, 2738, 3515, 5254, 6745, 6845, 7030, 13135, 13490, 13690, 26011, 26270, 49913, 52022, 97199, 99826, 130055, 194398, 249565, 260110, 485995, 499130, 971990, 1846781, 3693562, 9233905, 18467810]

約数ペア:

[(1, 18467810), (2, 9233905), (5, 3693562), (10, 1846781), (19, 971990), (37, 499130), (38, 485995), (71, 260110), (74, 249565), (95, 194398), (142, 130055), (185, 99826), (190, 97199), (355, 52022), (370, 49913), (703, 26270), (710, 26011), (1349, 13690), (1369, 13490), (1406, 13135), (2627, 7030), (2698, 6845), (2738, 6745), (3515, 5254)]