18996811232

素因数分解:

$2^5\times 7^1\times {\mathrm{67}}^1\times {\mathrm{1265779}}^1$

素因数の和:1265863

約数の個数: 48

約数和(自身を含む): 43380812160

約数和(自身を除く): 24384000928

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 67, 112, 134, 224, 268, 469, 536, 938, 1072, 1876, 2144, 3752, 7504, 15008, 1265779, 2531558, 5063116, 8860453, 10126232, 17720906, 20252464, 35441812, 40504928, 70883624, 84807193, 141767248, 169614386, 283534496, 339228772, 593650351, 678457544, 1187300702, 1356915088, 2374601404, 2713830176, 4749202808, 9498405616, 18996811232]

約数ペア:

[(1, 18996811232), (2, 9498405616), (4, 4749202808), (7, 2713830176), (8, 2374601404), (14, 1356915088), (16, 1187300702), (28, 678457544), (32, 593650351), (56, 339228772), (67, 283534496), (112, 169614386), (134, 141767248), (224, 84807193), (268, 70883624), (469, 40504928), (536, 35441812), (938, 20252464), (1072, 17720906), (1876, 10126232), (2144, 8860453), (3752, 5063116), (7504, 2531558), (15008, 1265779)]