19291120

素因数分解:

$2^4\times 5^1\times {\mathrm{293}}^1\times {\mathrm{823}}^1$

素因数の和:1129

約数の個数: 40

約数和(自身を含む): 45059616

約数和(自身を除く): 25768496

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 293, 586, 823, 1172, 1465, 1646, 2344, 2930, 3292, 4115, 4688, 5860, 6584, 8230, 11720, 13168, 16460, 23440, 32920, 65840, 241139, 482278, 964556, 1205695, 1929112, 2411390, 3858224, 4822780, 9645560, 19291120]

約数ペア:

[(1, 19291120), (2, 9645560), (4, 4822780), (5, 3858224), (8, 2411390), (10, 1929112), (16, 1205695), (20, 964556), (40, 482278), (80, 241139), (293, 65840), (586, 32920), (823, 23440), (1172, 16460), (1465, 13168), (1646, 11720), (2344, 8230), (2930, 6584), (3292, 5860), (4115, 4688)]