18145868

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{1579}}^1$

素因数の和:1626

約数の個数: 36

約数和(自身を含む): 36431640

約数和(自身を除く): 18285772

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 68, 169, 221, 338, 442, 676, 884, 1579, 2873, 3158, 5746, 6316, 11492, 20527, 26843, 41054, 53686, 82108, 107372, 266851, 348959, 533702, 697918, 1067404, 1395836, 4536467, 9072934, 18145868]

約数ペア:

[(1, 18145868), (2, 9072934), (4, 4536467), (13, 1395836), (17, 1067404), (26, 697918), (34, 533702), (52, 348959), (68, 266851), (169, 107372), (221, 82108), (338, 53686), (442, 41054), (676, 26843), (884, 20527), (1579, 11492), (2873, 6316), (3158, 5746)]