19938752

素因数分解:

$2^6\times {\mathrm{19}}^2\times {\mathrm{863}}^1$

素因数の和:913

約数の個数: 42

約数和(自身を含む): 41806368

約数和(自身を除く): 21867616

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 152, 304, 361, 608, 722, 863, 1216, 1444, 1726, 2888, 3452, 5776, 6904, 11552, 13808, 16397, 23104, 27616, 32794, 55232, 65588, 131176, 262352, 311543, 524704, 623086, 1049408, 1246172, 2492344, 4984688, 9969376, 19938752]

約数ペア:

[(1, 19938752), (2, 9969376), (4, 4984688), (8, 2492344), (16, 1246172), (19, 1049408), (32, 623086), (38, 524704), (64, 311543), (76, 262352), (152, 131176), (304, 65588), (361, 55232), (608, 32794), (722, 27616), (863, 23104), (1216, 16397), (1444, 13808), (1726, 11552), (2888, 6904), (3452, 5776)]