19723060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{8287}}^1$

素因数の和:8320

約数の個数: 48

約数和(自身を含む): 50125824

約数和(自身を除く): 30402764

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 238, 340, 476, 595, 1190, 2380, 8287, 16574, 33148, 41435, 58009, 82870, 116018, 140879, 165740, 232036, 281758, 290045, 563516, 580090, 704395, 986153, 1160180, 1408790, 1972306, 2817580, 3944612, 4930765, 9861530, 19723060]

約数ペア:

[(1, 19723060), (2, 9861530), (4, 4930765), (5, 3944612), (7, 2817580), (10, 1972306), (14, 1408790), (17, 1160180), (20, 986153), (28, 704395), (34, 580090), (35, 563516), (68, 290045), (70, 281758), (85, 232036), (119, 165740), (140, 140879), (170, 116018), (238, 82870), (340, 58009), (476, 41435), (595, 33148), (1190, 16574), (2380, 8287)]