18818008

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{281}}^1\times {\mathrm{761}}^1$

素因数の和:1059

約数の個数: 32

約数和(自身を含む): 38679120

約数和(自身を除く): 19861112

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 281, 562, 761, 1124, 1522, 2248, 3044, 3091, 6088, 6182, 8371, 12364, 16742, 24728, 33484, 66968, 213841, 427682, 855364, 1710728, 2352251, 4704502, 9409004, 18818008]

約数ペア:

[(1, 18818008), (2, 9409004), (4, 4704502), (8, 2352251), (11, 1710728), (22, 855364), (44, 427682), (88, 213841), (281, 66968), (562, 33484), (761, 24728), (1124, 16742), (1522, 12364), (2248, 8371), (3044, 6182), (3091, 6088)]