19061680

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{21661}}^1$

素因数の和:21685

約数の個数: 40

約数和(自身を含む): 48349584

約数和(自身を除く): 29287904

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 21661, 43322, 86644, 108305, 173288, 216610, 238271, 346576, 433220, 476542, 866440, 953084, 1191355, 1732880, 1906168, 2382710, 3812336, 4765420, 9530840, 19061680]

約数ペア:

[(1, 19061680), (2, 9530840), (4, 4765420), (5, 3812336), (8, 2382710), (10, 1906168), (11, 1732880), (16, 1191355), (20, 953084), (22, 866440), (40, 476542), (44, 433220), (55, 346576), (80, 238271), (88, 216610), (110, 173288), (176, 108305), (220, 86644), (440, 43322), (880, 21661)]