18614260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{4289}}^1$

素因数の和:4336

約数の個数: 48

約数和(自身を含む): 46126080

約数和(自身を除く): 27511820

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 2170, 4289, 4340, 8578, 17156, 21445, 30023, 42890, 60046, 85780, 120092, 132959, 150115, 265918, 300230, 531836, 600460, 664795, 930713, 1329590, 1861426, 2659180, 3722852, 4653565, 9307130, 18614260]

約数ペア:

[(1, 18614260), (2, 9307130), (4, 4653565), (5, 3722852), (7, 2659180), (10, 1861426), (14, 1329590), (20, 930713), (28, 664795), (31, 600460), (35, 531836), (62, 300230), (70, 265918), (124, 150115), (140, 132959), (155, 120092), (217, 85780), (310, 60046), (434, 42890), (620, 30023), (868, 21445), (1085, 17156), (2170, 8578), (4289, 4340)]