18663888

素因数分解:

$2^4\times 3^1\times {\mathrm{47}}^1\times {\mathrm{8273}}^1$

素因数の和:8331

約数の個数: 40

約数和(自身を含む): 49246848

約数和(自身を除く): 30582960

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 47, 48, 94, 141, 188, 282, 376, 564, 752, 1128, 2256, 8273, 16546, 24819, 33092, 49638, 66184, 99276, 132368, 198552, 388831, 397104, 777662, 1166493, 1555324, 2332986, 3110648, 4665972, 6221296, 9331944, 18663888]

約数ペア:

[(1, 18663888), (2, 9331944), (3, 6221296), (4, 4665972), (6, 3110648), (8, 2332986), (12, 1555324), (16, 1166493), (24, 777662), (47, 397104), (48, 388831), (94, 198552), (141, 132368), (188, 99276), (282, 66184), (376, 49638), (564, 33092), (752, 24819), (1128, 16546), (2256, 8273)]