18668144

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{1453}}^1$

素因数の和:1545

約数の個数: 40

約数和(自身を含む): 40025712

約数和(自身を除く): 21357568

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 73, 88, 146, 176, 292, 584, 803, 1168, 1453, 1606, 2906, 3212, 5812, 6424, 11624, 12848, 15983, 23248, 31966, 63932, 106069, 127864, 212138, 255728, 424276, 848552, 1166759, 1697104, 2333518, 4667036, 9334072, 18668144]

約数ペア:

[(1, 18668144), (2, 9334072), (4, 4667036), (8, 2333518), (11, 1697104), (16, 1166759), (22, 848552), (44, 424276), (73, 255728), (88, 212138), (146, 127864), (176, 106069), (292, 63932), (584, 31966), (803, 23248), (1168, 15983), (1453, 12848), (1606, 11624), (2906, 6424), (3212, 5812)]