18860464

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{8863}}^1$

素因数の和:8897

約数の個数: 40

約数和(自身を含む): 43965440

約数和(自身を除く): 25104976

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 56, 76, 112, 133, 152, 266, 304, 532, 1064, 2128, 8863, 17726, 35452, 62041, 70904, 124082, 141808, 168397, 248164, 336794, 496328, 673588, 992656, 1178779, 1347176, 2357558, 2694352, 4715116, 9430232, 18860464]

約数ペア:

[(1, 18860464), (2, 9430232), (4, 4715116), (7, 2694352), (8, 2357558), (14, 1347176), (16, 1178779), (19, 992656), (28, 673588), (38, 496328), (56, 336794), (76, 248164), (112, 168397), (133, 141808), (152, 124082), (266, 70904), (304, 62041), (532, 35452), (1064, 17726), (2128, 8863)]