18108976

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{839}}^1$

素因数の和:937

約数の個数: 40

約数和(自身を含む): 37497600

約数和(自身を除く): 19388624

約数列:

[1, 2, 4, 8, 16, 19, 38, 71, 76, 142, 152, 284, 304, 568, 839, 1136, 1349, 1678, 2698, 3356, 5396, 6712, 10792, 13424, 15941, 21584, 31882, 59569, 63764, 119138, 127528, 238276, 255056, 476552, 953104, 1131811, 2263622, 4527244, 9054488, 18108976]

約数ペア:

[(1, 18108976), (2, 9054488), (4, 4527244), (8, 2263622), (16, 1131811), (19, 953104), (38, 476552), (71, 255056), (76, 238276), (142, 127528), (152, 119138), (284, 63764), (304, 59569), (568, 31882), (839, 21584), (1136, 15941), (1349, 13424), (1678, 10792), (2698, 6712), (3356, 5396)]