19093712

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{691}}^1$

素因数の和:867

約数の個数: 40

約数和(自身を含む): 40672992

約数和(自身を除く): 21579280

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 157, 176, 314, 628, 691, 1256, 1382, 1727, 2512, 2764, 3454, 5528, 6908, 7601, 11056, 13816, 15202, 27632, 30404, 60808, 108487, 121616, 216974, 433948, 867896, 1193357, 1735792, 2386714, 4773428, 9546856, 19093712]

約数ペア:

[(1, 19093712), (2, 9546856), (4, 4773428), (8, 2386714), (11, 1735792), (16, 1193357), (22, 867896), (44, 433948), (88, 216974), (157, 121616), (176, 108487), (314, 60808), (628, 30404), (691, 27632), (1256, 15202), (1382, 13816), (1727, 11056), (2512, 7601), (2764, 6908), (3454, 5528)]