18292820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^2$

素因数の和:94

約数の個数: 144

約数和(自身を含む): 52026240

約数和(自身を除く): 33733420

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 19, 20, 23, 26, 28, 35, 38, 46, 52, 65, 70, 76, 91, 92, 95, 115, 130, 133, 140, 161, 182, 190, 230, 247, 260, 266, 299, 322, 364, 380, 437, 455, 460, 494, 529, 532, 598, 644, 665, 805, 874, 910, 988, 1058, 1196, 1235, 1330, 1495, 1610, 1729, 1748, 1820, 2093, 2116, 2185, 2470, 2645, 2660, 2990, 3059, 3220, 3458, 3703, 4186, 4370, 4940, 5290, 5681, 5980, 6118, 6877, 6916, 7406, 8372, 8645, 8740, 10051, 10465, 10580, 11362, 12236, 13754, 14812, 15295, 17290, 18515, 20102, 20930, 22724, 27508, 28405, 30590, 34385, 34580, 37030, 39767, 40204, 41860, 48139, 50255, 56810, 61180, 68770, 70357, 74060, 79534, 96278, 100510, 113620, 130663, 137540, 140714, 159068, 192556, 198835, 201020, 240695, 261326, 281428, 351785, 397670, 481390, 522652, 653315, 703570, 795340, 914641, 962780, 1306630, 1407140, 1829282, 2613260, 3658564, 4573205, 9146410, 18292820]

約数ペア:

[(1, 18292820), (2, 9146410), (4, 4573205), (5, 3658564), (7, 2613260), (10, 1829282), (13, 1407140), (14, 1306630), (19, 962780), (20, 914641), (23, 795340), (26, 703570), (28, 653315), (35, 522652), (38, 481390), (46, 397670), (52, 351785), (65, 281428), (70, 261326), (76, 240695), (91, 201020), (92, 198835), (95, 192556), (115, 159068), (130, 140714), (133, 137540), (140, 130663), (161, 113620), (182, 100510), (190, 96278), (230, 79534), (247, 74060), (260, 70357), (266, 68770), (299, 61180), (322, 56810), (364, 50255), (380, 48139), (437, 41860), (455, 40204), (460, 39767), (494, 37030), (529, 34580), (532, 34385), (598, 30590), (644, 28405), (665, 27508), (805, 22724), (874, 20930), (910, 20102), (988, 18515), (1058, 17290), (1196, 15295), (1235, 14812), (1330, 13754), (1495, 12236), (1610, 11362), (1729, 10580), (1748, 10465), (1820, 10051), (2093, 8740), (2116, 8645), (2185, 8372), (2470, 7406), (2645, 6916), (2660, 6877), (2990, 6118), (3059, 5980), (3220, 5681), (3458, 5290), (3703, 4940), (4186, 4370)]