19693520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1$

素因数の和:193

約数の個数: 160

約数和(自身を含む): 59996160

約数和(自身を除く): 40302640

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 23, 28, 35, 40, 44, 46, 55, 56, 70, 77, 80, 88, 92, 110, 112, 115, 139, 140, 154, 161, 176, 184, 220, 230, 253, 278, 280, 308, 322, 368, 385, 440, 460, 506, 556, 560, 616, 644, 695, 770, 805, 880, 920, 973, 1012, 1112, 1232, 1265, 1288, 1390, 1529, 1540, 1610, 1771, 1840, 1946, 2024, 2224, 2530, 2576, 2780, 3058, 3080, 3197, 3220, 3542, 3892, 4048, 4865, 5060, 5560, 6116, 6160, 6394, 6440, 7084, 7645, 7784, 8855, 9730, 10120, 10703, 11120, 12232, 12788, 12880, 14168, 15290, 15568, 15985, 17710, 19460, 20240, 21406, 22379, 24464, 25576, 28336, 30580, 31970, 35167, 35420, 38920, 42812, 44758, 51152, 53515, 61160, 63940, 70334, 70840, 77840, 85624, 89516, 107030, 111895, 122320, 127880, 140668, 141680, 171248, 175835, 179032, 214060, 223790, 246169, 255760, 281336, 351670, 358064, 428120, 447580, 492338, 562672, 703340, 856240, 895160, 984676, 1230845, 1406680, 1790320, 1969352, 2461690, 2813360, 3938704, 4923380, 9846760, 19693520]

約数ペア:

[(1, 19693520), (2, 9846760), (4, 4923380), (5, 3938704), (7, 2813360), (8, 2461690), (10, 1969352), (11, 1790320), (14, 1406680), (16, 1230845), (20, 984676), (22, 895160), (23, 856240), (28, 703340), (35, 562672), (40, 492338), (44, 447580), (46, 428120), (55, 358064), (56, 351670), (70, 281336), (77, 255760), (80, 246169), (88, 223790), (92, 214060), (110, 179032), (112, 175835), (115, 171248), (139, 141680), (140, 140668), (154, 127880), (161, 122320), (176, 111895), (184, 107030), (220, 89516), (230, 85624), (253, 77840), (278, 70840), (280, 70334), (308, 63940), (322, 61160), (368, 53515), (385, 51152), (440, 44758), (460, 42812), (506, 38920), (556, 35420), (560, 35167), (616, 31970), (644, 30580), (695, 28336), (770, 25576), (805, 24464), (880, 22379), (920, 21406), (973, 20240), (1012, 19460), (1112, 17710), (1232, 15985), (1265, 15568), (1288, 15290), (1390, 14168), (1529, 12880), (1540, 12788), (1610, 12232), (1771, 11120), (1840, 10703), (1946, 10120), (2024, 9730), (2224, 8855), (2530, 7784), (2576, 7645), (2780, 7084), (3058, 6440), (3080, 6394), (3197, 6160), (3220, 6116), (3542, 5560), (3892, 5060), (4048, 4865)]