18993008

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{62477}}^1$

素因数の和:62504

約数の個数: 20

約数和(自身を含む): 38736360

約数和(自身を除く): 19743352

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 62477, 124954, 249908, 499816, 999632, 1187063, 2374126, 4748252, 9496504, 18993008]

約数ペア:

[(1, 18993008), (2, 9496504), (4, 4748252), (8, 2374126), (16, 1187063), (19, 999632), (38, 499816), (76, 249908), (152, 124954), (304, 62477)]