19704064

素因数分解:

$2^8\times {\mathrm{19}}^1\times {\mathrm{4051}}^1$

素因数の和:4086

約数の個数: 36

約数和(自身を含む): 41411440

約数和(自身を除く): 21707376

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 152, 256, 304, 608, 1216, 2432, 4051, 4864, 8102, 16204, 32408, 64816, 76969, 129632, 153938, 259264, 307876, 518528, 615752, 1037056, 1231504, 2463008, 4926016, 9852032, 19704064]

約数ペア:

[(1, 19704064), (2, 9852032), (4, 4926016), (8, 2463008), (16, 1231504), (19, 1037056), (32, 615752), (38, 518528), (64, 307876), (76, 259264), (128, 153938), (152, 129632), (256, 76969), (304, 64816), (608, 32408), (1216, 16204), (2432, 8102), (4051, 4864)]