18642006

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{1217}}^1$

素因数の和:1285

約数の個数: 48

約数和(自身を含む): 43321824

約数和(自身を除く): 24679818

約数列:

[1, 2, 3, 6, 9, 18, 23, 37, 46, 69, 74, 111, 138, 207, 222, 333, 414, 666, 851, 1217, 1702, 2434, 2553, 3651, 5106, 7302, 7659, 10953, 15318, 21906, 27991, 45029, 55982, 83973, 90058, 135087, 167946, 251919, 270174, 405261, 503838, 810522, 1035667, 2071334, 3107001, 6214002, 9321003, 18642006]

約数ペア:

[(1, 18642006), (2, 9321003), (3, 6214002), (6, 3107001), (9, 2071334), (18, 1035667), (23, 810522), (37, 503838), (46, 405261), (69, 270174), (74, 251919), (111, 167946), (138, 135087), (207, 90058), (222, 83973), (333, 55982), (414, 45029), (666, 27991), (851, 21906), (1217, 15318), (1702, 10953), (2434, 7659), (2553, 7302), (3651, 5106)]