18191838

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{1439}}^1$

素因数の和:1501

約数の個数: 48

約数和(自身を含む): 43338240

約数和(自身を除く): 25146402

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 43, 49, 86, 98, 129, 147, 258, 294, 301, 602, 903, 1439, 1806, 2107, 2878, 4214, 4317, 6321, 8634, 10073, 12642, 20146, 30219, 60438, 61877, 70511, 123754, 141022, 185631, 211533, 371262, 423066, 433139, 866278, 1299417, 2598834, 3031973, 6063946, 9095919, 18191838]

約数ペア:

[(1, 18191838), (2, 9095919), (3, 6063946), (6, 3031973), (7, 2598834), (14, 1299417), (21, 866278), (42, 433139), (43, 423066), (49, 371262), (86, 211533), (98, 185631), (129, 141022), (147, 123754), (258, 70511), (294, 61877), (301, 60438), (602, 30219), (903, 20146), (1439, 12642), (1806, 10073), (2107, 8634), (2878, 6321), (4214, 4317)]