8191818

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{421}}^1$

素因数の和:499

約数の個数: 48

約数和(自身を含む): 18959616

約数和(自身を除く): 10767798

約数列:

[1, 2, 3, 6, 9, 18, 23, 46, 47, 69, 94, 138, 141, 207, 282, 414, 421, 423, 842, 846, 1081, 1263, 2162, 2526, 3243, 3789, 6486, 7578, 9683, 9729, 19366, 19458, 19787, 29049, 39574, 58098, 59361, 87147, 118722, 174294, 178083, 356166, 455101, 910202, 1365303, 2730606, 4095909, 8191818]

約数ペア:

[(1, 8191818), (2, 4095909), (3, 2730606), (6, 1365303), (9, 910202), (18, 455101), (23, 356166), (46, 178083), (47, 174294), (69, 118722), (94, 87147), (138, 59361), (141, 58098), (207, 39574), (282, 29049), (414, 19787), (421, 19458), (423, 19366), (842, 9729), (846, 9683), (1081, 7578), (1263, 6486), (2162, 3789), (2526, 3243)]