19964288

素因数分解:

$2^7\times {\mathrm{19}}^1\times {\mathrm{8209}}^1$

素因数の和:8242

約数の個数: 32

約数和(自身を含む): 41871000

約数和(自身を除く): 21906712

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 152, 304, 608, 1216, 2432, 8209, 16418, 32836, 65672, 131344, 155971, 262688, 311942, 525376, 623884, 1050752, 1247768, 2495536, 4991072, 9982144, 19964288]

約数ペア:

[(1, 19964288), (2, 9982144), (4, 4991072), (8, 2495536), (16, 1247768), (19, 1050752), (32, 623884), (38, 525376), (64, 311942), (76, 262688), (128, 155971), (152, 131344), (304, 65672), (608, 32836), (1216, 16418), (2432, 8209)]