18841554

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{641}}^1$

素因数の和:743

約数の個数: 48

約数和(自身を含む): 43265664

約数和(自身を除く): 24424110

約数列:

[1, 2, 3, 6, 9, 18, 23, 46, 69, 71, 138, 142, 207, 213, 414, 426, 639, 641, 1278, 1282, 1633, 1923, 3266, 3846, 4899, 5769, 9798, 11538, 14697, 14743, 29394, 29486, 44229, 45511, 88458, 91022, 132687, 136533, 265374, 273066, 409599, 819198, 1046753, 2093506, 3140259, 6280518, 9420777, 18841554]

約数ペア:

[(1, 18841554), (2, 9420777), (3, 6280518), (6, 3140259), (9, 2093506), (18, 1046753), (23, 819198), (46, 409599), (69, 273066), (71, 265374), (138, 136533), (142, 132687), (207, 91022), (213, 88458), (414, 45511), (426, 44229), (639, 29486), (641, 29394), (1278, 14743), (1282, 14697), (1633, 11538), (1923, 9798), (3266, 5769), (3846, 4899)]