19615480

素因数分解:

$2^3\times 5^1\times {\mathrm{269}}^1\times {\mathrm{1823}}^1$

素因数の和:2103

約数の個数: 32

約数和(自身を含む): 44323200

約数和(自身を除く): 24707720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 269, 538, 1076, 1345, 1823, 2152, 2690, 3646, 5380, 7292, 9115, 10760, 14584, 18230, 36460, 72920, 490387, 980774, 1961548, 2451935, 3923096, 4903870, 9807740, 19615480]

約数ペア:

[(1, 19615480), (2, 9807740), (4, 4903870), (5, 3923096), (8, 2451935), (10, 1961548), (20, 980774), (40, 490387), (269, 72920), (538, 36460), (1076, 18230), (1345, 14584), (1823, 10760), (2152, 9115), (2690, 7292), (3646, 5380)]