19356656

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{1009}}^1$

素因数の和:1137

約数の個数: 40

約数和(自身を含む): 41329200

約数和(自身を除く): 21972544

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 109, 176, 218, 436, 872, 1009, 1199, 1744, 2018, 2398, 4036, 4796, 8072, 9592, 11099, 16144, 19184, 22198, 44396, 88792, 109981, 177584, 219962, 439924, 879848, 1209791, 1759696, 2419582, 4839164, 9678328, 19356656]

約数ペア:

[(1, 19356656), (2, 9678328), (4, 4839164), (8, 2419582), (11, 1759696), (16, 1209791), (22, 879848), (44, 439924), (88, 219962), (109, 177584), (176, 109981), (218, 88792), (436, 44396), (872, 22198), (1009, 19184), (1199, 16144), (1744, 11099), (2018, 9592), (2398, 8072), (4036, 4796)]