19891968

素因数分解:

$2^8\times 3^1\times {\mathrm{59}}^1\times {\mathrm{439}}^1$

素因数の和:517

約数の個数: 72

約数和(自身を含む): 53961600

約数和(自身を除く): 34069632

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 59, 64, 96, 118, 128, 177, 192, 236, 256, 354, 384, 439, 472, 708, 768, 878, 944, 1317, 1416, 1756, 1888, 2634, 2832, 3512, 3776, 5268, 5664, 7024, 7552, 10536, 11328, 14048, 15104, 21072, 22656, 25901, 28096, 42144, 45312, 51802, 56192, 77703, 84288, 103604, 112384, 155406, 168576, 207208, 310812, 337152, 414416, 621624, 828832, 1243248, 1657664, 2486496, 3315328, 4972992, 6630656, 9945984, 19891968]

約数ペア:

[(1, 19891968), (2, 9945984), (3, 6630656), (4, 4972992), (6, 3315328), (8, 2486496), (12, 1657664), (16, 1243248), (24, 828832), (32, 621624), (48, 414416), (59, 337152), (64, 310812), (96, 207208), (118, 168576), (128, 155406), (177, 112384), (192, 103604), (236, 84288), (256, 77703), (354, 56192), (384, 51802), (439, 45312), (472, 42144), (708, 28096), (768, 25901), (878, 22656), (944, 21072), (1317, 15104), (1416, 14048), (1756, 11328), (1888, 10536), (2634, 7552), (2832, 7024), (3512, 5664), (3776, 5268)]