18800810

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1$

素因数の和:136

約数の個数: 96

約数和(自身を含む): 43510608

約数和(自身を除く): 24709798

約数列:

[1, 2, 5, 7, 10, 14, 17, 34, 35, 37, 49, 61, 70, 74, 85, 98, 119, 122, 170, 185, 238, 245, 259, 305, 370, 427, 490, 518, 595, 610, 629, 833, 854, 1037, 1190, 1258, 1295, 1666, 1813, 2074, 2135, 2257, 2590, 2989, 3145, 3626, 4165, 4270, 4403, 4514, 5185, 5978, 6290, 7259, 8330, 8806, 9065, 10370, 11285, 14518, 14945, 15799, 18130, 22015, 22570, 29890, 30821, 31598, 36295, 38369, 44030, 50813, 61642, 72590, 76738, 78995, 101626, 110593, 154105, 157990, 191845, 221186, 254065, 268583, 308210, 383690, 508130, 537166, 552965, 1105930, 1342915, 1880081, 2685830, 3760162, 9400405, 18800810]

約数ペア:

[(1, 18800810), (2, 9400405), (5, 3760162), (7, 2685830), (10, 1880081), (14, 1342915), (17, 1105930), (34, 552965), (35, 537166), (37, 508130), (49, 383690), (61, 308210), (70, 268583), (74, 254065), (85, 221186), (98, 191845), (119, 157990), (122, 154105), (170, 110593), (185, 101626), (238, 78995), (245, 76738), (259, 72590), (305, 61642), (370, 50813), (427, 44030), (490, 38369), (518, 36295), (595, 31598), (610, 30821), (629, 29890), (833, 22570), (854, 22015), (1037, 18130), (1190, 15799), (1258, 14945), (1295, 14518), (1666, 11285), (1813, 10370), (2074, 9065), (2135, 8806), (2257, 8330), (2590, 7259), (2989, 6290), (3145, 5978), (3626, 5185), (4165, 4514), (4270, 4403)]