18328856

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1481}}^1$

素因数の和:1524

約数の個数: 64

約数和(自身を含む): 44815680

約数和(自身を除く): 26486824

約数列:

[1, 2, 4, 7, 8, 13, 14, 17, 26, 28, 34, 52, 56, 68, 91, 104, 119, 136, 182, 221, 238, 364, 442, 476, 728, 884, 952, 1481, 1547, 1768, 2962, 3094, 5924, 6188, 10367, 11848, 12376, 19253, 20734, 25177, 38506, 41468, 50354, 77012, 82936, 100708, 134771, 154024, 176239, 201416, 269542, 327301, 352478, 539084, 654602, 704956, 1078168, 1309204, 1409912, 2291107, 2618408, 4582214, 9164428, 18328856]

約数ペア:

[(1, 18328856), (2, 9164428), (4, 4582214), (7, 2618408), (8, 2291107), (13, 1409912), (14, 1309204), (17, 1078168), (26, 704956), (28, 654602), (34, 539084), (52, 352478), (56, 327301), (68, 269542), (91, 201416), (104, 176239), (119, 154024), (136, 134771), (182, 100708), (221, 82936), (238, 77012), (364, 50354), (442, 41468), (476, 38506), (728, 25177), (884, 20734), (952, 19253), (1481, 12376), (1547, 11848), (1768, 10367), (2962, 6188), (3094, 5924)]