19199792

素因数分解:

$2^4\times {\mathrm{89}}^1\times {\mathrm{97}}^1\times {\mathrm{139}}^1$

素因数の和:333

約数の個数: 40

約数和(自身を含む): 38278800

約数和(自身を除く): 19079008

約数列:

[1, 2, 4, 8, 16, 89, 97, 139, 178, 194, 278, 356, 388, 556, 712, 776, 1112, 1424, 1552, 2224, 8633, 12371, 13483, 17266, 24742, 26966, 34532, 49484, 53932, 69064, 98968, 107864, 138128, 197936, 215728, 1199987, 2399974, 4799948, 9599896, 19199792]

約数ペア:

[(1, 19199792), (2, 9599896), (4, 4799948), (8, 2399974), (16, 1199987), (89, 215728), (97, 197936), (139, 138128), (178, 107864), (194, 98968), (278, 69064), (356, 53932), (388, 49484), (556, 34532), (712, 26966), (776, 24742), (1112, 17266), (1424, 13483), (1552, 12371), (2224, 8633)]