19399396

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{139}}^1$

素因数の和:244

約数の個数: 48

約数和(自身を含む): 37537920

約数和(自身を除く): 18138524

約数列:

[1, 2, 4, 23, 37, 41, 46, 74, 82, 92, 139, 148, 164, 278, 556, 851, 943, 1517, 1702, 1886, 3034, 3197, 3404, 3772, 5143, 5699, 6068, 6394, 10286, 11398, 12788, 20572, 22796, 34891, 69782, 118289, 131077, 139564, 210863, 236578, 262154, 421726, 473156, 524308, 843452, 4849849, 9699698, 19399396]

約数ペア:

[(1, 19399396), (2, 9699698), (4, 4849849), (23, 843452), (37, 524308), (41, 473156), (46, 421726), (74, 262154), (82, 236578), (92, 210863), (139, 139564), (148, 131077), (164, 118289), (278, 69782), (556, 34891), (851, 22796), (943, 20572), (1517, 12788), (1702, 11398), (1886, 10286), (3034, 6394), (3197, 6068), (3404, 5699), (3772, 5143)]