31518378

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{587}}^1$

素因数の和:771

約数の個数: 48

約数和(自身を含む): 72465120

約数和(自身を除く): 40946742

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 114, 157, 171, 314, 342, 471, 587, 942, 1174, 1413, 1761, 2826, 2983, 3522, 5283, 5966, 8949, 10566, 11153, 17898, 22306, 26847, 33459, 53694, 66918, 92159, 100377, 184318, 200754, 276477, 552954, 829431, 1658862, 1751021, 3502042, 5253063, 10506126, 15759189, 31518378]

約数ペア:

[(1, 31518378), (2, 15759189), (3, 10506126), (6, 5253063), (9, 3502042), (18, 1751021), (19, 1658862), (38, 829431), (57, 552954), (114, 276477), (157, 200754), (171, 184318), (314, 100377), (342, 92159), (471, 66918), (587, 53694), (942, 33459), (1174, 26847), (1413, 22306), (1761, 17898), (2826, 11153), (2983, 10566), (3522, 8949), (5283, 5966)]