19659840

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{20479}}^1$

素因数の和:20499

約数の個数: 56

約数和(自身を含む): 62423040

約数和(自身を除く): 42763200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 160, 192, 240, 320, 480, 960, 20479, 40958, 61437, 81916, 102395, 122874, 163832, 204790, 245748, 307185, 327664, 409580, 491496, 614370, 655328, 819160, 982992, 1228740, 1310656, 1638320, 1965984, 2457480, 3276640, 3931968, 4914960, 6553280, 9829920, 19659840]

約数ペア:

[(1, 19659840), (2, 9829920), (3, 6553280), (4, 4914960), (5, 3931968), (6, 3276640), (8, 2457480), (10, 1965984), (12, 1638320), (15, 1310656), (16, 1228740), (20, 982992), (24, 819160), (30, 655328), (32, 614370), (40, 491496), (48, 409580), (60, 327664), (64, 307185), (80, 245748), (96, 204790), (120, 163832), (160, 122874), (192, 102395), (240, 81916), (320, 61437), (480, 40958), (960, 20479)]