16819868

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{359}}^1$

素因数の和:446

約数の個数: 48

約数和(自身を含む): 34292160

約数和(自身を除く): 17472292

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 53, 68, 106, 212, 221, 359, 442, 689, 718, 884, 901, 1378, 1436, 1802, 2756, 3604, 4667, 6103, 9334, 11713, 12206, 18668, 19027, 23426, 24412, 38054, 46852, 76108, 79339, 158678, 247351, 317356, 323459, 494702, 646918, 989404, 1293836, 4204967, 8409934, 16819868]

約数ペア:

[(1, 16819868), (2, 8409934), (4, 4204967), (13, 1293836), (17, 989404), (26, 646918), (34, 494702), (52, 323459), (53, 317356), (68, 247351), (106, 158678), (212, 79339), (221, 76108), (359, 46852), (442, 38054), (689, 24412), (718, 23426), (884, 19027), (901, 18668), (1378, 12206), (1436, 11713), (1802, 9334), (2756, 6103), (3604, 4667)]