18154640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{1907}}^1$

素因数の和:1944

約数の個数: 80

約数和(自身を含む): 51103872

約数和(自身を除く): 32949232

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 34, 35, 40, 56, 68, 70, 80, 85, 112, 119, 136, 140, 170, 238, 272, 280, 340, 476, 560, 595, 680, 952, 1190, 1360, 1904, 1907, 2380, 3814, 4760, 7628, 9520, 9535, 13349, 15256, 19070, 26698, 30512, 32419, 38140, 53396, 64838, 66745, 76280, 106792, 129676, 133490, 152560, 162095, 213584, 226933, 259352, 266980, 324190, 453866, 518704, 533960, 648380, 907732, 1067920, 1134665, 1296760, 1815464, 2269330, 2593520, 3630928, 4538660, 9077320, 18154640]

約数ペア:

[(1, 18154640), (2, 9077320), (4, 4538660), (5, 3630928), (7, 2593520), (8, 2269330), (10, 1815464), (14, 1296760), (16, 1134665), (17, 1067920), (20, 907732), (28, 648380), (34, 533960), (35, 518704), (40, 453866), (56, 324190), (68, 266980), (70, 259352), (80, 226933), (85, 213584), (112, 162095), (119, 152560), (136, 133490), (140, 129676), (170, 106792), (238, 76280), (272, 66745), (280, 64838), (340, 53396), (476, 38140), (560, 32419), (595, 30512), (680, 26698), (952, 19070), (1190, 15256), (1360, 13349), (1904, 9535), (1907, 9520), (2380, 7628), (3814, 4760)]