18185988

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{239}}^1\times {\mathrm{373}}^1$

素因数の和:636

約数の個数: 48

約数和(自身を含む): 45239040

約数和(自身を除く): 27053052

約数列:

[1, 2, 3, 4, 6, 12, 17, 34, 51, 68, 102, 204, 239, 373, 478, 717, 746, 956, 1119, 1434, 1492, 2238, 2868, 4063, 4476, 6341, 8126, 12189, 12682, 16252, 19023, 24378, 25364, 38046, 48756, 76092, 89147, 178294, 267441, 356588, 534882, 1069764, 1515499, 3030998, 4546497, 6061996, 9092994, 18185988]

約数ペア:

[(1, 18185988), (2, 9092994), (3, 6061996), (4, 4546497), (6, 3030998), (12, 1515499), (17, 1069764), (34, 534882), (51, 356588), (68, 267441), (102, 178294), (204, 89147), (239, 76092), (373, 48756), (478, 38046), (717, 25364), (746, 24378), (956, 19023), (1119, 16252), (1434, 12682), (1492, 12189), (2238, 8126), (2868, 6341), (4063, 4476)]