18193716

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{397}}^1$

素因数の和:493

約数の個数: 72

約数和(自身を含む): 49256480

約数和(自身を除く): 31062764

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 67, 76, 114, 134, 171, 201, 228, 268, 342, 397, 402, 603, 684, 794, 804, 1191, 1206, 1273, 1588, 2382, 2412, 2546, 3573, 3819, 4764, 5092, 7146, 7543, 7638, 11457, 14292, 15086, 15276, 22629, 22914, 26599, 30172, 45258, 45828, 53198, 67887, 79797, 90516, 106396, 135774, 159594, 239391, 271548, 319188, 478782, 505381, 957564, 1010762, 1516143, 2021524, 3032286, 4548429, 6064572, 9096858, 18193716]

約数ペア:

[(1, 18193716), (2, 9096858), (3, 6064572), (4, 4548429), (6, 3032286), (9, 2021524), (12, 1516143), (18, 1010762), (19, 957564), (36, 505381), (38, 478782), (57, 319188), (67, 271548), (76, 239391), (114, 159594), (134, 135774), (171, 106396), (201, 90516), (228, 79797), (268, 67887), (342, 53198), (397, 45828), (402, 45258), (603, 30172), (684, 26599), (794, 22914), (804, 22629), (1191, 15276), (1206, 15086), (1273, 14292), (1588, 11457), (2382, 7638), (2412, 7543), (2546, 7146), (3573, 5092), (3819, 4764)]