21838144

素因数分解:

$2^6\times {\mathrm{19}}^1\times {\mathrm{17959}}^1$

素因数の和:17990

約数の個数: 28

約数和(自身を含む): 45618400

約数和(自身を除く): 23780256

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 152, 304, 608, 1216, 17959, 35918, 71836, 143672, 287344, 341221, 574688, 682442, 1149376, 1364884, 2729768, 5459536, 10919072, 21838144]

約数ペア:

[(1, 21838144), (2, 10919072), (4, 5459536), (8, 2729768), (16, 1364884), (19, 1149376), (32, 682442), (38, 574688), (64, 341221), (76, 287344), (152, 143672), (304, 71836), (608, 35918), (1216, 17959)]