18288165

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{103}}^1$

素因数の和:226

約数の個数: 64

約数和(自身を含む): 35942400

約数和(自身を除く): 17654235

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 57, 89, 95, 103, 105, 133, 267, 285, 309, 399, 445, 515, 623, 665, 721, 1335, 1545, 1691, 1869, 1957, 1995, 2163, 3115, 3605, 5073, 5871, 8455, 9167, 9345, 9785, 10815, 11837, 13699, 25365, 27501, 29355, 35511, 41097, 45835, 59185, 64169, 68495, 137505, 174173, 177555, 192507, 205485, 320845, 522519, 870865, 962535, 1219211, 2612595, 3657633, 6096055, 18288165]

約数ペア:

[(1, 18288165), (3, 6096055), (5, 3657633), (7, 2612595), (15, 1219211), (19, 962535), (21, 870865), (35, 522519), (57, 320845), (89, 205485), (95, 192507), (103, 177555), (105, 174173), (133, 137505), (267, 68495), (285, 64169), (309, 59185), (399, 45835), (445, 41097), (515, 35511), (623, 29355), (665, 27501), (721, 25365), (1335, 13699), (1545, 11837), (1691, 10815), (1869, 9785), (1957, 9345), (1995, 9167), (2163, 8455), (3115, 5871), (3605, 5073)]