18342268

素因数分解:

$2^2\times 7^3\times {\mathrm{29}}^1\times {\mathrm{461}}^1$

素因数の和:515

約数の個数: 48

約数和(自身を含む): 38808000

約数和(自身を除く): 20465732

約数列:

[1, 2, 4, 7, 14, 28, 29, 49, 58, 98, 116, 196, 203, 343, 406, 461, 686, 812, 922, 1372, 1421, 1844, 2842, 3227, 5684, 6454, 9947, 12908, 13369, 19894, 22589, 26738, 39788, 45178, 53476, 90356, 93583, 158123, 187166, 316246, 374332, 632492, 655081, 1310162, 2620324, 4585567, 9171134, 18342268]

約数ペア:

[(1, 18342268), (2, 9171134), (4, 4585567), (7, 2620324), (14, 1310162), (28, 655081), (29, 632492), (49, 374332), (58, 316246), (98, 187166), (116, 158123), (196, 93583), (203, 90356), (343, 53476), (406, 45178), (461, 39788), (686, 26738), (812, 22589), (922, 19894), (1372, 13369), (1421, 12908), (1844, 9947), (2842, 6454), (3227, 5684)]