81969876

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{119839}}^1$

素因数の和:119868

約数の個数: 36

約数和(自身を含む): 218108800

約数和(自身を除く): 136138924

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 171, 228, 342, 684, 119839, 239678, 359517, 479356, 719034, 1078551, 1438068, 2157102, 2276941, 4314204, 4553882, 6830823, 9107764, 13661646, 20492469, 27323292, 40984938, 81969876]

約数ペア:

[(1, 81969876), (2, 40984938), (3, 27323292), (4, 20492469), (6, 13661646), (9, 9107764), (12, 6830823), (18, 4553882), (19, 4314204), (36, 2276941), (38, 2157102), (57, 1438068), (76, 1078551), (114, 719034), (171, 479356), (228, 359517), (342, 239678), (684, 119839)]