17977856

素因数分解:

$2^9\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1$

素因数の和:141

約数の個数: 80

約数和(自身を含む): 40273464

約数和(自身を除く): 22295608

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 37, 52, 64, 73, 74, 104, 128, 146, 148, 208, 256, 292, 296, 416, 481, 512, 584, 592, 832, 949, 962, 1168, 1184, 1664, 1898, 1924, 2336, 2368, 2701, 3328, 3796, 3848, 4672, 4736, 5402, 6656, 7592, 7696, 9344, 9472, 10804, 15184, 15392, 18688, 18944, 21608, 30368, 30784, 35113, 37376, 43216, 60736, 61568, 70226, 86432, 121472, 123136, 140452, 172864, 242944, 246272, 280904, 345728, 485888, 561808, 691456, 1123616, 1382912, 2247232, 4494464, 8988928, 17977856]

約数ペア:

[(1, 17977856), (2, 8988928), (4, 4494464), (8, 2247232), (13, 1382912), (16, 1123616), (26, 691456), (32, 561808), (37, 485888), (52, 345728), (64, 280904), (73, 246272), (74, 242944), (104, 172864), (128, 140452), (146, 123136), (148, 121472), (208, 86432), (256, 70226), (292, 61568), (296, 60736), (416, 43216), (481, 37376), (512, 35113), (584, 30784), (592, 30368), (832, 21608), (949, 18944), (962, 18688), (1168, 15392), (1184, 15184), (1664, 10804), (1898, 9472), (1924, 9344), (2336, 7696), (2368, 7592), (2701, 6656), (3328, 5402), (3796, 4736), (3848, 4672)]