18747180

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{149}}^1\times {\mathrm{233}}^1$

素因数の和:400

約数の個数: 96

約数和(自身を含む): 58968000

約数和(自身を除く): 40220820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 149, 180, 233, 270, 298, 447, 466, 540, 596, 699, 745, 894, 932, 1165, 1341, 1398, 1490, 1788, 2097, 2235, 2330, 2682, 2796, 2980, 3495, 4023, 4194, 4470, 4660, 5364, 6291, 6705, 6990, 8046, 8388, 8940, 10485, 12582, 13410, 13980, 16092, 20115, 20970, 25164, 26820, 31455, 34717, 40230, 41940, 62910, 69434, 80460, 104151, 125820, 138868, 173585, 208302, 312453, 347170, 416604, 520755, 624906, 694340, 937359, 1041510, 1249812, 1562265, 1874718, 2083020, 3124530, 3749436, 4686795, 6249060, 9373590, 18747180]

約数ペア:

[(1, 18747180), (2, 9373590), (3, 6249060), (4, 4686795), (5, 3749436), (6, 3124530), (9, 2083020), (10, 1874718), (12, 1562265), (15, 1249812), (18, 1041510), (20, 937359), (27, 694340), (30, 624906), (36, 520755), (45, 416604), (54, 347170), (60, 312453), (90, 208302), (108, 173585), (135, 138868), (149, 125820), (180, 104151), (233, 80460), (270, 69434), (298, 62910), (447, 41940), (466, 40230), (540, 34717), (596, 31455), (699, 26820), (745, 25164), (894, 20970), (932, 20115), (1165, 16092), (1341, 13980), (1398, 13410), (1490, 12582), (1788, 10485), (2097, 8940), (2235, 8388), (2330, 8046), (2682, 6990), (2796, 6705), (2980, 6291), (3495, 5364), (4023, 4660), (4194, 4470)]