19539856

素因数分解:

$2^4\times 7^1\times {\mathrm{59}}^1\times {\mathrm{2957}}^1$

素因数の和:3031

約数の個数: 40

約数和(自身を含む): 44015040

約数和(自身を除く): 24475184

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 59, 112, 118, 236, 413, 472, 826, 944, 1652, 2957, 3304, 5914, 6608, 11828, 20699, 23656, 41398, 47312, 82796, 165592, 174463, 331184, 348926, 697852, 1221241, 1395704, 2442482, 2791408, 4884964, 9769928, 19539856]

約数ペア:

[(1, 19539856), (2, 9769928), (4, 4884964), (7, 2791408), (8, 2442482), (14, 1395704), (16, 1221241), (28, 697852), (56, 348926), (59, 331184), (112, 174463), (118, 165592), (236, 82796), (413, 47312), (472, 41398), (826, 23656), (944, 20699), (1652, 11828), (2957, 6608), (3304, 5914)]