18180918

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{313}}^1\times {\mathrm{461}}^1$

素因数の和:789

約数の個数: 48

約数和(自身を含む): 45261216

約数和(自身を除く): 27080298

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 313, 461, 626, 922, 939, 1383, 1878, 2191, 2766, 2817, 3227, 4149, 4382, 5634, 6454, 6573, 8298, 9681, 13146, 19362, 19719, 29043, 39438, 58086, 144293, 288586, 432879, 865758, 1010051, 1298637, 2020102, 2597274, 3030153, 6060306, 9090459, 18180918]

約数ペア:

[(1, 18180918), (2, 9090459), (3, 6060306), (6, 3030153), (7, 2597274), (9, 2020102), (14, 1298637), (18, 1010051), (21, 865758), (42, 432879), (63, 288586), (126, 144293), (313, 58086), (461, 39438), (626, 29043), (922, 19719), (939, 19362), (1383, 13146), (1878, 9681), (2191, 8298), (2766, 6573), (2817, 6454), (3227, 5634), (4149, 4382)]