18508701680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1437011}}^1$

素因数の和:1437054

約数の個数: 80

約数和(自身を含む): 51318572544

約数和(自身を除く): 32809870864

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 35, 40, 46, 56, 70, 80, 92, 112, 115, 140, 161, 184, 230, 280, 322, 368, 460, 560, 644, 805, 920, 1288, 1610, 1840, 2576, 3220, 6440, 12880, 1437011, 2874022, 5748044, 7185055, 10059077, 11496088, 14370110, 20118154, 22992176, 28740220, 33051253, 40236308, 50295385, 57480440, 66102506, 80472616, 100590770, 114960880, 132205012, 160945232, 165256265, 201181540, 231358771, 264410024, 330512530, 402363080, 462717542, 528820048, 661025060, 804726160, 925435084, 1156793855, 1322050120, 1850870168, 2313587710, 2644100240, 3701740336, 4627175420, 9254350840, 18508701680]

約数ペア:

[(1, 18508701680), (2, 9254350840), (4, 4627175420), (5, 3701740336), (7, 2644100240), (8, 2313587710), (10, 1850870168), (14, 1322050120), (16, 1156793855), (20, 925435084), (23, 804726160), (28, 661025060), (35, 528820048), (40, 462717542), (46, 402363080), (56, 330512530), (70, 264410024), (80, 231358771), (92, 201181540), (112, 165256265), (115, 160945232), (140, 132205012), (161, 114960880), (184, 100590770), (230, 80472616), (280, 66102506), (322, 57480440), (368, 50295385), (460, 40236308), (560, 33051253), (644, 28740220), (805, 22992176), (920, 20118154), (1288, 14370110), (1610, 11496088), (1840, 10059077), (2576, 7185055), (3220, 5748044), (6440, 2874022), (12880, 1437011)]