18676620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1$

素因数の和:204

約数の個数: 144

約数和(自身を含む): 61501440

約数和(自身を除く): 42824820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 43, 45, 57, 60, 76, 86, 90, 95, 114, 127, 129, 171, 172, 180, 190, 215, 228, 254, 258, 285, 342, 380, 381, 387, 430, 508, 516, 570, 635, 645, 684, 762, 774, 817, 855, 860, 1140, 1143, 1270, 1290, 1524, 1548, 1634, 1710, 1905, 1935, 2286, 2413, 2451, 2540, 2580, 3268, 3420, 3810, 3870, 4085, 4572, 4826, 4902, 5461, 5715, 7239, 7353, 7620, 7740, 8170, 9652, 9804, 10922, 11430, 12065, 12255, 14478, 14706, 16340, 16383, 21717, 21844, 22860, 24130, 24510, 27305, 28956, 29412, 32766, 36195, 36765, 43434, 48260, 49020, 49149, 54610, 65532, 72390, 73530, 81915, 86868, 98298, 103759, 108585, 109220, 144780, 147060, 163830, 196596, 207518, 217170, 245745, 311277, 327660, 415036, 434340, 491490, 518795, 622554, 933831, 982980, 1037590, 1245108, 1556385, 1867662, 2075180, 3112770, 3735324, 4669155, 6225540, 9338310, 18676620]

約数ペア:

[(1, 18676620), (2, 9338310), (3, 6225540), (4, 4669155), (5, 3735324), (6, 3112770), (9, 2075180), (10, 1867662), (12, 1556385), (15, 1245108), (18, 1037590), (19, 982980), (20, 933831), (30, 622554), (36, 518795), (38, 491490), (43, 434340), (45, 415036), (57, 327660), (60, 311277), (76, 245745), (86, 217170), (90, 207518), (95, 196596), (114, 163830), (127, 147060), (129, 144780), (171, 109220), (172, 108585), (180, 103759), (190, 98298), (215, 86868), (228, 81915), (254, 73530), (258, 72390), (285, 65532), (342, 54610), (380, 49149), (381, 49020), (387, 48260), (430, 43434), (508, 36765), (516, 36195), (570, 32766), (635, 29412), (645, 28956), (684, 27305), (762, 24510), (774, 24130), (817, 22860), (855, 21844), (860, 21717), (1140, 16383), (1143, 16340), (1270, 14706), (1290, 14478), (1524, 12255), (1548, 12065), (1634, 11430), (1710, 10922), (1905, 9804), (1935, 9652), (2286, 8170), (2413, 7740), (2451, 7620), (2540, 7353), (2580, 7239), (3268, 5715), (3420, 5461), (3810, 4902), (3870, 4826), (4085, 4572)]