39840188

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{167}}^1$

素因数の和:306

約数の個数: 48

約数和(自身を含む): 76581120

約数和(自身を除く): 36740932

約数列:

[1, 2, 4, 19, 38, 43, 73, 76, 86, 146, 167, 172, 292, 334, 668, 817, 1387, 1634, 2774, 3139, 3173, 3268, 5548, 6278, 6346, 7181, 12191, 12556, 12692, 14362, 24382, 28724, 48764, 59641, 119282, 136439, 231629, 238564, 272878, 463258, 524213, 545756, 926516, 1048426, 2096852, 9960047, 19920094, 39840188]

約数ペア:

[(1, 39840188), (2, 19920094), (4, 9960047), (19, 2096852), (38, 1048426), (43, 926516), (73, 545756), (76, 524213), (86, 463258), (146, 272878), (167, 238564), (172, 231629), (292, 136439), (334, 119282), (668, 59641), (817, 48764), (1387, 28724), (1634, 24382), (2774, 14362), (3139, 12692), (3173, 12556), (3268, 12191), (5548, 7181), (6278, 6346)]