18517096

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{9371}}^1$

素因数の和:9409

約数の個数: 32

約数和(自身を含む): 39362400

約数和(自身を除く): 20845304

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 247, 494, 988, 1976, 9371, 18742, 37484, 74968, 121823, 178049, 243646, 356098, 487292, 712196, 974584, 1424392, 2314637, 4629274, 9258548, 18517096]

約数ペア:

[(1, 18517096), (2, 9258548), (4, 4629274), (8, 2314637), (13, 1424392), (19, 974584), (26, 712196), (38, 487292), (52, 356098), (76, 243646), (104, 178049), (152, 121823), (247, 74968), (494, 37484), (988, 18742), (1976, 9371)]