19937536

素因数分解:

$2^8\times {\mathrm{19}}^1\times {\mathrm{4099}}^1$

素因数の和:4134

約数の個数: 36

約数和(自身を含む): 41902000

約数和(自身を除く): 21964464

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 152, 256, 304, 608, 1216, 2432, 4099, 4864, 8198, 16396, 32792, 65584, 77881, 131168, 155762, 262336, 311524, 524672, 623048, 1049344, 1246096, 2492192, 4984384, 9968768, 19937536]

約数ペア:

[(1, 19937536), (2, 9968768), (4, 4984384), (8, 2492192), (16, 1246096), (19, 1049344), (32, 623048), (38, 524672), (64, 311524), (76, 262336), (128, 155762), (152, 131168), (256, 77881), (304, 65584), (608, 32792), (1216, 16396), (2432, 8198), (4099, 4864)]