18921916

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{1217}}^1$

素因数の和:1270

約数の個数: 36

約数和(自身を含む): 37446192

約数和(自身を除く): 18524276

約数列:

[1, 2, 4, 13, 23, 26, 46, 52, 92, 169, 299, 338, 598, 676, 1196, 1217, 2434, 3887, 4868, 7774, 15548, 15821, 27991, 31642, 55982, 63284, 111964, 205673, 363883, 411346, 727766, 822692, 1455532, 4730479, 9460958, 18921916]

約数ペア:

[(1, 18921916), (2, 9460958), (4, 4730479), (13, 1455532), (23, 822692), (26, 727766), (46, 411346), (52, 363883), (92, 205673), (169, 111964), (299, 63284), (338, 55982), (598, 31642), (676, 27991), (1196, 15821), (1217, 15548), (2434, 7774), (3887, 4868)]