19909080

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{1907}}^1$

素因数の和:1953

約数の個数: 96

約数和(自身を含む): 66970800

約数和(自身を除く): 47061720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 29, 30, 36, 40, 45, 58, 60, 72, 87, 90, 116, 120, 145, 174, 180, 232, 261, 290, 348, 360, 435, 522, 580, 696, 870, 1044, 1160, 1305, 1740, 1907, 2088, 2610, 3480, 3814, 5220, 5721, 7628, 9535, 10440, 11442, 15256, 17163, 19070, 22884, 28605, 34326, 38140, 45768, 55303, 57210, 68652, 76280, 85815, 110606, 114420, 137304, 165909, 171630, 221212, 228840, 276515, 331818, 343260, 442424, 497727, 553030, 663636, 686520, 829545, 995454, 1106060, 1327272, 1659090, 1990908, 2212120, 2488635, 3318180, 3981816, 4977270, 6636360, 9954540, 19909080]

約数ペア:

[(1, 19909080), (2, 9954540), (3, 6636360), (4, 4977270), (5, 3981816), (6, 3318180), (8, 2488635), (9, 2212120), (10, 1990908), (12, 1659090), (15, 1327272), (18, 1106060), (20, 995454), (24, 829545), (29, 686520), (30, 663636), (36, 553030), (40, 497727), (45, 442424), (58, 343260), (60, 331818), (72, 276515), (87, 228840), (90, 221212), (116, 171630), (120, 165909), (145, 137304), (174, 114420), (180, 110606), (232, 85815), (261, 76280), (290, 68652), (348, 57210), (360, 55303), (435, 45768), (522, 38140), (580, 34326), (696, 28605), (870, 22884), (1044, 19070), (1160, 17163), (1305, 15256), (1740, 11442), (1907, 10440), (2088, 9535), (2610, 7628), (3480, 5721), (3814, 5220)]