18653312

素因数分解:

$2^7\times {\mathrm{61}}^1\times {\mathrm{2389}}^1$

素因数の和:2464

約数の個数: 32

約数和(自身を含む): 37785900

約数和(自身を除く): 19132588

約数列:

[1, 2, 4, 8, 16, 32, 61, 64, 122, 128, 244, 488, 976, 1952, 2389, 3904, 4778, 7808, 9556, 19112, 38224, 76448, 145729, 152896, 291458, 305792, 582916, 1165832, 2331664, 4663328, 9326656, 18653312]

約数ペア:

[(1, 18653312), (2, 9326656), (4, 4663328), (8, 2331664), (16, 1165832), (32, 582916), (61, 305792), (64, 291458), (122, 152896), (128, 145729), (244, 76448), (488, 38224), (976, 19112), (1952, 9556), (2389, 7808), (3904, 4778)]