19645072

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{39607}}^1$

素因数の和:39646

約数の個数: 20

約数和(自身を含む): 39291136

約数和(自身を除く): 19646064

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 39607, 79214, 158428, 316856, 633712, 1227817, 2455634, 4911268, 9822536, 19645072]

約数ペア:

[(1, 19645072), (2, 9822536), (4, 4911268), (8, 2455634), (16, 1227817), (31, 633712), (62, 316856), (124, 158428), (248, 79214), (496, 39607)]