18325112

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{163}}^1$

素因数の和:252

約数の個数: 64

約数和(自身を含む): 39674880

約数和(自身を除く): 21349768

約数列:

[1, 2, 4, 8, 13, 23, 26, 46, 47, 52, 92, 94, 104, 163, 184, 188, 299, 326, 376, 598, 611, 652, 1081, 1196, 1222, 1304, 2119, 2162, 2392, 2444, 3749, 4238, 4324, 4888, 7498, 7661, 8476, 8648, 14053, 14996, 15322, 16952, 28106, 29992, 30644, 48737, 56212, 61288, 97474, 99593, 112424, 176203, 194948, 199186, 352406, 389896, 398372, 704812, 796744, 1409624, 2290639, 4581278, 9162556, 18325112]

約数ペア:

[(1, 18325112), (2, 9162556), (4, 4581278), (8, 2290639), (13, 1409624), (23, 796744), (26, 704812), (46, 398372), (47, 389896), (52, 352406), (92, 199186), (94, 194948), (104, 176203), (163, 112424), (184, 99593), (188, 97474), (299, 61288), (326, 56212), (376, 48737), (598, 30644), (611, 29992), (652, 28106), (1081, 16952), (1196, 15322), (1222, 14996), (1304, 14053), (2119, 8648), (2162, 8476), (2392, 7661), (2444, 7498), (3749, 4888), (4238, 4324)]