19644520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{4127}}^1$

素因数の和:4162

約数の個数: 64

約数和(自身を含む): 53498880

約数和(自身を除く): 33854360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 56, 68, 70, 85, 119, 136, 140, 170, 238, 280, 340, 476, 595, 680, 952, 1190, 2380, 4127, 4760, 8254, 16508, 20635, 28889, 33016, 41270, 57778, 70159, 82540, 115556, 140318, 144445, 165080, 231112, 280636, 288890, 350795, 491113, 561272, 577780, 701590, 982226, 1155560, 1403180, 1964452, 2455565, 2806360, 3928904, 4911130, 9822260, 19644520]

約数ペア:

[(1, 19644520), (2, 9822260), (4, 4911130), (5, 3928904), (7, 2806360), (8, 2455565), (10, 1964452), (14, 1403180), (17, 1155560), (20, 982226), (28, 701590), (34, 577780), (35, 561272), (40, 491113), (56, 350795), (68, 288890), (70, 280636), (85, 231112), (119, 165080), (136, 144445), (140, 140318), (170, 115556), (238, 82540), (280, 70159), (340, 57778), (476, 41270), (595, 33016), (680, 28889), (952, 20635), (1190, 16508), (2380, 8254), (4127, 4760)]