18933904

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{179}}^1\times {\mathrm{601}}^1$

素因数の和:799

約数の個数: 40

約数和(自身を含む): 40309920

約数和(自身を除く): 21376016

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 179, 358, 601, 716, 1202, 1432, 1969, 2404, 2864, 3938, 4808, 6611, 7876, 9616, 13222, 15752, 26444, 31504, 52888, 105776, 107579, 215158, 430316, 860632, 1183369, 1721264, 2366738, 4733476, 9466952, 18933904]

約数ペア:

[(1, 18933904), (2, 9466952), (4, 4733476), (8, 2366738), (11, 1721264), (16, 1183369), (22, 860632), (44, 430316), (88, 215158), (176, 107579), (179, 105776), (358, 52888), (601, 31504), (716, 26444), (1202, 15752), (1432, 13222), (1969, 9616), (2404, 7876), (2864, 6611), (3938, 4808)]