81990396

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{119869}}^1$

素因数の和:119898

約数の個数: 36

約数和(自身を含む): 218163400

約数和(自身を除く): 136173004

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 171, 228, 342, 684, 119869, 239738, 359607, 479476, 719214, 1078821, 1438428, 2157642, 2277511, 4315284, 4555022, 6832533, 9110044, 13665066, 20497599, 27330132, 40995198, 81990396]

約数ペア:

[(1, 81990396), (2, 40995198), (3, 27330132), (4, 20497599), (6, 13665066), (9, 9110044), (12, 6832533), (18, 4555022), (19, 4315284), (36, 2277511), (38, 2157642), (57, 1438428), (76, 1078821), (114, 719214), (171, 479476), (228, 359607), (342, 239738), (684, 119869)]