17991776

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{647}}^1$

素因数の和:747

約数の個数: 48

約数和(自身を含む): 39191040

約数和(自身を除く): 21199264

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 79, 88, 158, 176, 316, 352, 632, 647, 869, 1264, 1294, 1738, 2528, 2588, 3476, 5176, 6952, 7117, 10352, 13904, 14234, 20704, 27808, 28468, 51113, 56936, 102226, 113872, 204452, 227744, 408904, 562243, 817808, 1124486, 1635616, 2248972, 4497944, 8995888, 17991776]

約数ペア:

[(1, 17991776), (2, 8995888), (4, 4497944), (8, 2248972), (11, 1635616), (16, 1124486), (22, 817808), (32, 562243), (44, 408904), (79, 227744), (88, 204452), (158, 113872), (176, 102226), (316, 56936), (352, 51113), (632, 28468), (647, 27808), (869, 20704), (1264, 14234), (1294, 13904), (1738, 10352), (2528, 7117), (2588, 6952), (3476, 5176)]