39978736

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{18787}}^1$

素因数の和:18821

約数の個数: 40

約数和(自身を含む): 93188480

約数和(自身を除く): 53209744

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 56, 76, 112, 133, 152, 266, 304, 532, 1064, 2128, 18787, 37574, 75148, 131509, 150296, 263018, 300592, 356953, 526036, 713906, 1052072, 1427812, 2104144, 2498671, 2855624, 4997342, 5711248, 9994684, 19989368, 39978736]

約数ペア:

[(1, 39978736), (2, 19989368), (4, 9994684), (7, 5711248), (8, 4997342), (14, 2855624), (16, 2498671), (19, 2104144), (28, 1427812), (38, 1052072), (56, 713906), (76, 526036), (112, 356953), (133, 300592), (152, 263018), (266, 150296), (304, 131509), (532, 75148), (1064, 37574), (2128, 18787)]