19964892

素因数分解:

$2^2\times 3^1\times {\mathrm{59}}^1\times {\mathrm{163}}^1\times {\mathrm{173}}^1$

素因数の和:402

約数の個数: 48

約数和(自身を含む): 47940480

約数和(自身を除く): 27975588

約数列:

[1, 2, 3, 4, 6, 12, 59, 118, 163, 173, 177, 236, 326, 346, 354, 489, 519, 652, 692, 708, 978, 1038, 1956, 2076, 9617, 10207, 19234, 20414, 28199, 28851, 30621, 38468, 40828, 56398, 57702, 61242, 84597, 112796, 115404, 122484, 169194, 338388, 1663741, 3327482, 4991223, 6654964, 9982446, 19964892]

約数ペア:

[(1, 19964892), (2, 9982446), (3, 6654964), (4, 4991223), (6, 3327482), (12, 1663741), (59, 338388), (118, 169194), (163, 122484), (173, 115404), (177, 112796), (236, 84597), (326, 61242), (346, 57702), (354, 56398), (489, 40828), (519, 38468), (652, 30621), (692, 28851), (708, 28199), (978, 20414), (1038, 19234), (1956, 10207), (2076, 9617)]