19239308

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{17}}^3\times {\mathrm{89}}^1$

素因数の和:155

約数の個数: 48

約数和(自身を含む): 39463200

約数和(自身を除く): 20223892

約数列:

[1, 2, 4, 11, 17, 22, 34, 44, 68, 89, 178, 187, 289, 356, 374, 578, 748, 979, 1156, 1513, 1958, 3026, 3179, 3916, 4913, 6052, 6358, 9826, 12716, 16643, 19652, 25721, 33286, 51442, 54043, 66572, 102884, 108086, 216172, 282931, 437257, 565862, 874514, 1131724, 1749028, 4809827, 9619654, 19239308]

約数ペア:

[(1, 19239308), (2, 9619654), (4, 4809827), (11, 1749028), (17, 1131724), (22, 874514), (34, 565862), (44, 437257), (68, 282931), (89, 216172), (178, 108086), (187, 102884), (289, 66572), (356, 54043), (374, 51442), (578, 33286), (748, 25721), (979, 19652), (1156, 16643), (1513, 12716), (1958, 9826), (3026, 6358), (3179, 6052), (3916, 4913)]