18118828

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^2\times {\mathrm{547}}^1$

素因数の和:591

約数の個数: 54

約数和(自身を含む): 40013316

約数和(自身を除く): 21894488

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 49, 52, 91, 98, 169, 182, 196, 338, 364, 547, 637, 676, 1094, 1183, 1274, 2188, 2366, 2548, 3829, 4732, 7111, 7658, 8281, 14222, 15316, 16562, 26803, 28444, 33124, 49777, 53606, 92443, 99554, 107212, 184886, 199108, 348439, 369772, 647101, 696878, 1294202, 1393756, 2588404, 4529707, 9059414, 18118828]

約数ペア:

[(1, 18118828), (2, 9059414), (4, 4529707), (7, 2588404), (13, 1393756), (14, 1294202), (26, 696878), (28, 647101), (49, 369772), (52, 348439), (91, 199108), (98, 184886), (169, 107212), (182, 99554), (196, 92443), (338, 53606), (364, 49777), (547, 33124), (637, 28444), (676, 26803), (1094, 16562), (1183, 15316), (1274, 14222), (2188, 8281), (2366, 7658), (2548, 7111), (3829, 4732)]