18655630

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{257}}^1$

素因数の和:349

約数の個数: 64

約数和(自身を含む): 41461632

約数和(自身を除く): 22806002

約数列:

[1, 2, 5, 7, 10, 14, 17, 34, 35, 61, 70, 85, 119, 122, 170, 238, 257, 305, 427, 514, 595, 610, 854, 1037, 1190, 1285, 1799, 2074, 2135, 2570, 3598, 4270, 4369, 5185, 7259, 8738, 8995, 10370, 14518, 15677, 17990, 21845, 30583, 31354, 36295, 43690, 61166, 72590, 78385, 109739, 152915, 156770, 219478, 266509, 305830, 533018, 548695, 1097390, 1332545, 1865563, 2665090, 3731126, 9327815, 18655630]

約数ペア:

[(1, 18655630), (2, 9327815), (5, 3731126), (7, 2665090), (10, 1865563), (14, 1332545), (17, 1097390), (34, 548695), (35, 533018), (61, 305830), (70, 266509), (85, 219478), (119, 156770), (122, 152915), (170, 109739), (238, 78385), (257, 72590), (305, 61166), (427, 43690), (514, 36295), (595, 31354), (610, 30583), (854, 21845), (1037, 17990), (1190, 15677), (1285, 14518), (1799, 10370), (2074, 8995), (2135, 8738), (2570, 7259), (3598, 5185), (4270, 4369)]