18921741660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{240551}}^1$

素因数の和:240608

約数の個数: 144

約数和(自身を含む): 63043868160

約数和(自身を除く): 44122126500

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 23, 30, 36, 38, 45, 46, 57, 60, 69, 76, 90, 92, 95, 114, 115, 138, 171, 180, 190, 207, 228, 230, 276, 285, 342, 345, 380, 414, 437, 460, 570, 684, 690, 828, 855, 874, 1035, 1140, 1311, 1380, 1710, 1748, 2070, 2185, 2622, 3420, 3933, 4140, 4370, 5244, 6555, 7866, 8740, 13110, 15732, 19665, 26220, 39330, 78660, 240551, 481102, 721653, 962204, 1202755, 1443306, 2164959, 2405510, 2886612, 3608265, 4329918, 4570469, 4811020, 5532673, 7216530, 8659836, 9140938, 10824795, 11065346, 13711407, 14433060, 16598019, 18281876, 21649590, 22130692, 22852345, 27422814, 27663365, 33196038, 41134221, 43299180, 45704690, 49794057, 54845628, 55326730, 66392076, 68557035, 82268442, 82990095, 91409380, 99588114, 105120787, 110653460, 137114070, 164536884, 165980190, 199176228, 205671105, 210241574, 248970285, 274228140, 315362361, 331960380, 411342210, 420483148, 497940570, 525603935, 630724722, 822684420, 946087083, 995881140, 1051207870, 1261449444, 1576811805, 1892174166, 2102415740, 3153623610, 3784348332, 4730435415, 6307247220, 9460870830, 18921741660]

約数ペア:

[(1, 18921741660), (2, 9460870830), (3, 6307247220), (4, 4730435415), (5, 3784348332), (6, 3153623610), (9, 2102415740), (10, 1892174166), (12, 1576811805), (15, 1261449444), (18, 1051207870), (19, 995881140), (20, 946087083), (23, 822684420), (30, 630724722), (36, 525603935), (38, 497940570), (45, 420483148), (46, 411342210), (57, 331960380), (60, 315362361), (69, 274228140), (76, 248970285), (90, 210241574), (92, 205671105), (95, 199176228), (114, 165980190), (115, 164536884), (138, 137114070), (171, 110653460), (180, 105120787), (190, 99588114), (207, 91409380), (228, 82990095), (230, 82268442), (276, 68557035), (285, 66392076), (342, 55326730), (345, 54845628), (380, 49794057), (414, 45704690), (437, 43299180), (460, 41134221), (570, 33196038), (684, 27663365), (690, 27422814), (828, 22852345), (855, 22130692), (874, 21649590), (1035, 18281876), (1140, 16598019), (1311, 14433060), (1380, 13711407), (1710, 11065346), (1748, 10824795), (2070, 9140938), (2185, 8659836), (2622, 7216530), (3420, 5532673), (3933, 4811020), (4140, 4570469), (4370, 4329918), (5244, 3608265), (6555, 2886612), (7866, 2405510), (8740, 2164959), (13110, 1443306), (15732, 1202755), (19665, 962204), (26220, 721653), (39330, 481102), (78660, 240551)]