19280944

素因数分解:

$2^4\times {\mathrm{163}}^1\times {\mathrm{7393}}^1$

素因数の和:7564

約数の個数: 20

約数和(自身を含む): 37591096

約数和(自身を除く): 18310152

約数列:

[1, 2, 4, 8, 16, 163, 326, 652, 1304, 2608, 7393, 14786, 29572, 59144, 118288, 1205059, 2410118, 4820236, 9640472, 19280944]

約数ペア:

[(1, 19280944), (2, 9640472), (4, 4820236), (8, 2410118), (16, 1205059), (163, 118288), (326, 59144), (652, 29572), (1304, 14786), (2608, 7393)]