19604280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{7103}}^1$

素因数の和:7140

約数の個数: 64

約数和(自身を含む): 61378560

約数和(自身を除く): 41774280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 92, 115, 120, 138, 184, 230, 276, 345, 460, 552, 690, 920, 1380, 2760, 7103, 14206, 21309, 28412, 35515, 42618, 56824, 71030, 85236, 106545, 142060, 163369, 170472, 213090, 284120, 326738, 426180, 490107, 653476, 816845, 852360, 980214, 1306952, 1633690, 1960428, 2450535, 3267380, 3920856, 4901070, 6534760, 9802140, 19604280]

約数ペア:

[(1, 19604280), (2, 9802140), (3, 6534760), (4, 4901070), (5, 3920856), (6, 3267380), (8, 2450535), (10, 1960428), (12, 1633690), (15, 1306952), (20, 980214), (23, 852360), (24, 816845), (30, 653476), (40, 490107), (46, 426180), (60, 326738), (69, 284120), (92, 213090), (115, 170472), (120, 163369), (138, 142060), (184, 106545), (230, 85236), (276, 71030), (345, 56824), (460, 42618), (552, 35515), (690, 28412), (920, 21309), (1380, 14206), (2760, 7103)]