19649102128

素因数分解:

$2^4\times {\mathrm{53}}^1\times {\mathrm{109}}^1\times {\mathrm{212579}}^1$

素因数の和:212749

約数の個数: 40

約数和(自身を含む): 39144481200

約数和(自身を除く): 19495379072

約数列:

[1, 2, 4, 8, 16, 53, 106, 109, 212, 218, 424, 436, 848, 872, 1744, 5777, 11554, 23108, 46216, 92432, 212579, 425158, 850316, 1700632, 3401264, 11266687, 22533374, 23171111, 45066748, 46342222, 90133496, 92684444, 180266992, 185368888, 370737776, 1228068883, 2456137766, 4912275532, 9824551064, 19649102128]

約数ペア:

[(1, 19649102128), (2, 9824551064), (4, 4912275532), (8, 2456137766), (16, 1228068883), (53, 370737776), (106, 185368888), (109, 180266992), (212, 92684444), (218, 90133496), (424, 46342222), (436, 45066748), (848, 23171111), (872, 22533374), (1744, 11266687), (5777, 3401264), (11554, 1700632), (23108, 850316), (46216, 425158), (92432, 212579)]