20181815908

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{367}}^1\times {\mathrm{8641}}^1$

素因数の和:9092

約数の個数: 48

約数和(自身を含む): 37221716224

約数和(自身を除く): 17039900316

約数列:

[1, 2, 4, 37, 43, 74, 86, 148, 172, 367, 734, 1468, 1591, 3182, 6364, 8641, 13579, 15781, 17282, 27158, 31562, 34564, 54316, 63124, 319717, 371563, 583897, 639434, 743126, 1167794, 1278868, 1486252, 2335588, 3171247, 6342494, 12684988, 13747831, 27495662, 54991324, 117336139, 136363621, 234672278, 272727242, 469344556, 545454484, 5045453977, 10090907954, 20181815908]

約数ペア:

[(1, 20181815908), (2, 10090907954), (4, 5045453977), (37, 545454484), (43, 469344556), (74, 272727242), (86, 234672278), (148, 136363621), (172, 117336139), (367, 54991324), (734, 27495662), (1468, 13747831), (1591, 12684988), (3182, 6342494), (6364, 3171247), (8641, 2335588), (13579, 1486252), (15781, 1278868), (17282, 1167794), (27158, 743126), (31562, 639434), (34564, 583897), (54316, 371563), (63124, 319717)]