18973360

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{1993}}^1$

素因数の和:2030

約数の個数: 80

約数和(自身を含む): 53407296

約数和(自身を除く): 34433936

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, 1993, 2380, 3986, 4760, 7972, 9520, 9965, 13951, 15944, 19930, 27902, 31888, 33881, 39860, 55804, 67762, 69755, 79720, 111608, 135524, 139510, 159440, 169405, 223216, 237167, 271048, 279020, 338810, 474334, 542096, 558040, 677620, 948668, 1116080, 1185835, 1355240, 1897336, 2371670, 2710480, 3794672, 4743340, 9486680, 18973360]

約数ペア:

[(1, 18973360), (2, 9486680), (4, 4743340), (5, 3794672), (7, 2710480), (8, 2371670), (10, 1897336), (14, 1355240), (16, 1185835), (17, 1116080), (20, 948668), (28, 677620), (34, 558040), (35, 542096), (40, 474334), (56, 338810), (68, 279020), (70, 271048), (80, 237167), (85, 223216), (112, 169405), (119, 159440), (136, 139510), (140, 135524), (170, 111608), (238, 79720), (272, 69755), (280, 67762), (340, 55804), (476, 39860), (560, 33881), (595, 31888), (680, 27902), (952, 19930), (1190, 15944), (1360, 13951), (1904, 9965), (1993, 9520), (2380, 7972), (3986, 4760)]