19648532

素因数分解:

$2^2\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{739}}^1$

素因数の和:800

約数の個数: 36

約数和(自身を含む): 38166240

約数和(自身を除く): 18517708

約数列:

[1, 2, 4, 17, 23, 34, 46, 68, 92, 289, 391, 578, 739, 782, 1156, 1478, 1564, 2956, 6647, 12563, 13294, 16997, 25126, 26588, 33994, 50252, 67988, 213571, 288949, 427142, 577898, 854284, 1155796, 4912133, 9824266, 19648532]

約数ペア:

[(1, 19648532), (2, 9824266), (4, 4912133), (17, 1155796), (23, 854284), (34, 577898), (46, 427142), (68, 288949), (92, 213571), (289, 67988), (391, 50252), (578, 33994), (739, 26588), (782, 25126), (1156, 16997), (1478, 13294), (1564, 12563), (2956, 6647)]