19147040

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1$

素因数の和:103

約数の個数: 144

約数和(自身を含む): 53089344

約数和(自身を除く): 33942304

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 23, 32, 40, 43, 44, 46, 55, 80, 86, 88, 92, 110, 115, 121, 160, 172, 176, 184, 215, 220, 230, 242, 253, 344, 352, 368, 430, 440, 460, 473, 484, 506, 605, 688, 736, 860, 880, 920, 946, 968, 989, 1012, 1210, 1265, 1376, 1720, 1760, 1840, 1892, 1936, 1978, 2024, 2365, 2420, 2530, 2783, 3440, 3680, 3784, 3872, 3956, 4048, 4730, 4840, 4945, 5060, 5203, 5566, 6880, 7568, 7912, 8096, 9460, 9680, 9890, 10120, 10406, 10879, 11132, 13915, 15136, 15824, 18920, 19360, 19780, 20240, 20812, 21758, 22264, 26015, 27830, 31648, 37840, 39560, 40480, 41624, 43516, 44528, 52030, 54395, 55660, 75680, 79120, 83248, 87032, 89056, 104060, 108790, 111320, 119669, 158240, 166496, 174064, 208120, 217580, 222640, 239338, 348128, 416240, 435160, 445280, 478676, 598345, 832480, 870320, 957352, 1196690, 1740640, 1914704, 2393380, 3829408, 4786760, 9573520, 19147040]

約数ペア:

[(1, 19147040), (2, 9573520), (4, 4786760), (5, 3829408), (8, 2393380), (10, 1914704), (11, 1740640), (16, 1196690), (20, 957352), (22, 870320), (23, 832480), (32, 598345), (40, 478676), (43, 445280), (44, 435160), (46, 416240), (55, 348128), (80, 239338), (86, 222640), (88, 217580), (92, 208120), (110, 174064), (115, 166496), (121, 158240), (160, 119669), (172, 111320), (176, 108790), (184, 104060), (215, 89056), (220, 87032), (230, 83248), (242, 79120), (253, 75680), (344, 55660), (352, 54395), (368, 52030), (430, 44528), (440, 43516), (460, 41624), (473, 40480), (484, 39560), (506, 37840), (605, 31648), (688, 27830), (736, 26015), (860, 22264), (880, 21758), (920, 20812), (946, 20240), (968, 19780), (989, 19360), (1012, 18920), (1210, 15824), (1265, 15136), (1376, 13915), (1720, 11132), (1760, 10879), (1840, 10406), (1892, 10120), (1936, 9890), (1978, 9680), (2024, 9460), (2365, 8096), (2420, 7912), (2530, 7568), (2783, 6880), (3440, 5566), (3680, 5203), (3784, 5060), (3872, 4945), (3956, 4840), (4048, 4730)]