18819232

素因数分解:

$2^5\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{311}}^1$

素因数の和:413

約数の個数: 48

約数和(自身を含む): 38997504

約数和(自身を除く): 20178272

約数列:

[1, 2, 4, 8, 16, 31, 32, 61, 62, 122, 124, 244, 248, 311, 488, 496, 622, 976, 992, 1244, 1891, 1952, 2488, 3782, 4976, 7564, 9641, 9952, 15128, 18971, 19282, 30256, 37942, 38564, 60512, 75884, 77128, 151768, 154256, 303536, 308512, 588101, 607072, 1176202, 2352404, 4704808, 9409616, 18819232]

約数ペア:

[(1, 18819232), (2, 9409616), (4, 4704808), (8, 2352404), (16, 1176202), (31, 607072), (32, 588101), (61, 308512), (62, 303536), (122, 154256), (124, 151768), (244, 77128), (248, 75884), (311, 60512), (488, 38564), (496, 37942), (622, 30256), (976, 19282), (992, 18971), (1244, 15128), (1891, 9952), (1952, 9641), (2488, 7564), (3782, 4976)]