19932512

素因数分解:

$2^5\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{457}}^1$

素因数の和:543

約数の個数: 48

約数和(自身を含む): 41549760

約数和(自身を除く): 21617248

約数列:

[1, 2, 4, 8, 16, 29, 32, 47, 58, 94, 116, 188, 232, 376, 457, 464, 752, 914, 928, 1363, 1504, 1828, 2726, 3656, 5452, 7312, 10904, 13253, 14624, 21479, 21808, 26506, 42958, 43616, 53012, 85916, 106024, 171832, 212048, 343664, 424096, 622891, 687328, 1245782, 2491564, 4983128, 9966256, 19932512]

約数ペア:

[(1, 19932512), (2, 9966256), (4, 4983128), (8, 2491564), (16, 1245782), (29, 687328), (32, 622891), (47, 424096), (58, 343664), (94, 212048), (116, 171832), (188, 106024), (232, 85916), (376, 53012), (457, 43616), (464, 42958), (752, 26506), (914, 21808), (928, 21479), (1363, 14624), (1504, 13253), (1828, 10904), (2726, 7312), (3656, 5452)]