18309008

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{229}}^1\times {\mathrm{263}}^1$

素因数の和:519

約数の個数: 40

約数和(自身を含む): 37646400

約数和(自身を除く): 19337392

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 229, 263, 304, 458, 526, 916, 1052, 1832, 2104, 3664, 4208, 4351, 4997, 8702, 9994, 17404, 19988, 34808, 39976, 60227, 69616, 79952, 120454, 240908, 481816, 963632, 1144313, 2288626, 4577252, 9154504, 18309008]

約数ペア:

[(1, 18309008), (2, 9154504), (4, 4577252), (8, 2288626), (16, 1144313), (19, 963632), (38, 481816), (76, 240908), (152, 120454), (229, 79952), (263, 69616), (304, 60227), (458, 39976), (526, 34808), (916, 19988), (1052, 17404), (1832, 9994), (2104, 8702), (3664, 4997), (4208, 4351)]