19037552

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{69991}}^1$

素因数の和:70016

約数の個数: 20

約数和(自身を含む): 39055536

約数和(自身を除く): 20017984

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 69991, 139982, 279964, 559928, 1119856, 1189847, 2379694, 4759388, 9518776, 19037552]

約数ペア:

[(1, 19037552), (2, 9518776), (4, 4759388), (8, 2379694), (16, 1189847), (17, 1119856), (34, 559928), (68, 279964), (136, 139982), (272, 69991)]