18398324

素因数分解:

$2^2\times 7^2\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1$

素因数の和:157

約数の個数: 72

約数和(自身を含む): 40027680

約数和(自身を除く): 21629356

約数列:

[1, 2, 4, 7, 14, 28, 37, 43, 49, 59, 74, 86, 98, 118, 148, 172, 196, 236, 259, 301, 413, 518, 602, 826, 1036, 1204, 1591, 1652, 1813, 2107, 2183, 2537, 2891, 3182, 3626, 4214, 4366, 5074, 5782, 6364, 7252, 8428, 8732, 10148, 11137, 11564, 15281, 17759, 22274, 30562, 35518, 44548, 61124, 71036, 77959, 93869, 106967, 124313, 155918, 187738, 213934, 248626, 311836, 375476, 427868, 497252, 657083, 1314166, 2628332, 4599581, 9199162, 18398324]

約数ペア:

[(1, 18398324), (2, 9199162), (4, 4599581), (7, 2628332), (14, 1314166), (28, 657083), (37, 497252), (43, 427868), (49, 375476), (59, 311836), (74, 248626), (86, 213934), (98, 187738), (118, 155918), (148, 124313), (172, 106967), (196, 93869), (236, 77959), (259, 71036), (301, 61124), (413, 44548), (518, 35518), (602, 30562), (826, 22274), (1036, 17759), (1204, 15281), (1591, 11564), (1652, 11137), (1813, 10148), (2107, 8732), (2183, 8428), (2537, 7252), (2891, 6364), (3182, 5782), (3626, 5074), (4214, 4366)]