19306255888

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{38923903}}^1$

素因数の和:38923942

約数の個数: 20

約数和(自身を含む): 38612512768

約数和(自身を除く): 19306256880

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 38923903, 77847806, 155695612, 311391224, 622782448, 1206640993, 2413281986, 4826563972, 9653127944, 19306255888]

約数ペア:

[(1, 19306255888), (2, 9653127944), (4, 4826563972), (8, 2413281986), (16, 1206640993), (31, 622782448), (62, 311391224), (124, 155695612), (248, 77847806), (496, 38923903)]