18256252

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{257}}^1$

素因数の和:370

約数の個数: 48

約数和(自身を含む): 38142720

約数和(自身を除く): 19886468

約数列:

[1, 2, 4, 7, 14, 28, 43, 59, 86, 118, 172, 236, 257, 301, 413, 514, 602, 826, 1028, 1204, 1652, 1799, 2537, 3598, 5074, 7196, 10148, 11051, 15163, 17759, 22102, 30326, 35518, 44204, 60652, 71036, 77357, 106141, 154714, 212282, 309428, 424564, 652009, 1304018, 2608036, 4564063, 9128126, 18256252]

約数ペア:

[(1, 18256252), (2, 9128126), (4, 4564063), (7, 2608036), (14, 1304018), (28, 652009), (43, 424564), (59, 309428), (86, 212282), (118, 154714), (172, 106141), (236, 77357), (257, 71036), (301, 60652), (413, 44204), (514, 35518), (602, 30326), (826, 22102), (1028, 17759), (1204, 15163), (1652, 11051), (1799, 10148), (2537, 7196), (3598, 5074)]