18932018

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{691}}^1$

素因数の和:822

約数の個数: 32

約数和(自身を含む): 34544640

約数和(自身を除く): 15612622

約数列:

[1, 2, 7, 14, 19, 38, 103, 133, 206, 266, 691, 721, 1382, 1442, 1957, 3914, 4837, 9674, 13129, 13699, 26258, 27398, 71173, 91903, 142346, 183806, 498211, 996422, 1352287, 2704574, 9466009, 18932018]

約数ペア:

[(1, 18932018), (2, 9466009), (7, 2704574), (14, 1352287), (19, 996422), (38, 498211), (103, 183806), (133, 142346), (206, 91903), (266, 71173), (691, 27398), (721, 26258), (1382, 13699), (1442, 13129), (1957, 9674), (3914, 4837)]