18497776

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{227}}^1\times {\mathrm{463}}^1$

素因数の和:709

約数の個数: 40

約数和(自身を含む): 39354624

約数和(自身を除く): 20856848

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 227, 454, 463, 908, 926, 1816, 1852, 2497, 3632, 3704, 4994, 5093, 7408, 9988, 10186, 19976, 20372, 39952, 40744, 81488, 105101, 210202, 420404, 840808, 1156111, 1681616, 2312222, 4624444, 9248888, 18497776]

約数ペア:

[(1, 18497776), (2, 9248888), (4, 4624444), (8, 2312222), (11, 1681616), (16, 1156111), (22, 840808), (44, 420404), (88, 210202), (176, 105101), (227, 81488), (454, 40744), (463, 39952), (908, 20372), (926, 19976), (1816, 10186), (1852, 9988), (2497, 7408), (3632, 5093), (3704, 4994)]