19988388

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{79319}}^1$

素因数の和:79336

約数の個数: 36

約数和(自身を含む): 57744960

約数和(自身を除く): 37756572

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 79319, 158638, 237957, 317276, 475914, 555233, 713871, 951828, 1110466, 1427742, 1665699, 2220932, 2855484, 3331398, 4997097, 6662796, 9994194, 19988388]

約数ペア:

[(1, 19988388), (2, 9994194), (3, 6662796), (4, 4997097), (6, 3331398), (7, 2855484), (9, 2220932), (12, 1665699), (14, 1427742), (18, 1110466), (21, 951828), (28, 713871), (36, 555233), (42, 475914), (63, 317276), (84, 237957), (126, 158638), (252, 79319)]