19163968

素因数分解:

$2^6\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{277}}^1$

素因数の和:359

約数の個数: 56

約数和(自身を含む): 40672512

約数和(自身を除く): 21508544

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 47, 64, 92, 94, 184, 188, 277, 368, 376, 554, 736, 752, 1081, 1108, 1472, 1504, 2162, 2216, 3008, 4324, 4432, 6371, 8648, 8864, 12742, 13019, 17296, 17728, 25484, 26038, 34592, 50968, 52076, 69184, 101936, 104152, 203872, 208304, 299437, 407744, 416608, 598874, 833216, 1197748, 2395496, 4790992, 9581984, 19163968]

約数ペア:

[(1, 19163968), (2, 9581984), (4, 4790992), (8, 2395496), (16, 1197748), (23, 833216), (32, 598874), (46, 416608), (47, 407744), (64, 299437), (92, 208304), (94, 203872), (184, 104152), (188, 101936), (277, 69184), (368, 52076), (376, 50968), (554, 34592), (736, 26038), (752, 25484), (1081, 17728), (1108, 17296), (1472, 13019), (1504, 12742), (2162, 8864), (2216, 8648), (3008, 6371), (4324, 4432)]