17943440

素因数分解:

$2^4\times 5^1\times {\mathrm{211}}^1\times {\mathrm{1063}}^1$

素因数の和:1287

約数の個数: 40

約数和(自身を含む): 41955648

約数和(自身を除く): 24012208

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 211, 422, 844, 1055, 1063, 1688, 2110, 2126, 3376, 4220, 4252, 5315, 8440, 8504, 10630, 16880, 17008, 21260, 42520, 85040, 224293, 448586, 897172, 1121465, 1794344, 2242930, 3588688, 4485860, 8971720, 17943440]

約数ペア:

[(1, 17943440), (2, 8971720), (4, 4485860), (5, 3588688), (8, 2242930), (10, 1794344), (16, 1121465), (20, 897172), (40, 448586), (80, 224293), (211, 85040), (422, 42520), (844, 21260), (1055, 17008), (1063, 16880), (1688, 10630), (2110, 8504), (2126, 8440), (3376, 5315), (4220, 4252)]