17811920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{1871}}^1$

素因数の和:1908

約数の個数: 80

約数和(自身を含む): 50139648

約数和(自身を除く): 32327728

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, 1871, 1904, 2380, 3742, 4760, 7484, 9355, 9520, 13097, 14968, 18710, 26194, 29936, 31807, 37420, 52388, 63614, 65485, 74840, 104776, 127228, 130970, 149680, 159035, 209552, 222649, 254456, 261940, 318070, 445298, 508912, 523880, 636140, 890596, 1047760, 1113245, 1272280, 1781192, 2226490, 2544560, 3562384, 4452980, 8905960, 17811920]

約数ペア:

[(1, 17811920), (2, 8905960), (4, 4452980), (5, 3562384), (7, 2544560), (8, 2226490), (10, 1781192), (14, 1272280), (16, 1113245), (17, 1047760), (20, 890596), (28, 636140), (34, 523880), (35, 508912), (40, 445298), (56, 318070), (68, 261940), (70, 254456), (80, 222649), (85, 209552), (112, 159035), (119, 149680), (136, 130970), (140, 127228), (170, 104776), (238, 74840), (272, 65485), (280, 63614), (340, 52388), (476, 37420), (560, 31807), (595, 29936), (680, 26194), (952, 18710), (1190, 14968), (1360, 13097), (1871, 9520), (1904, 9355), (2380, 7484), (3742, 4760)]