19817488

素因数分解:

$2^4\times {\mathrm{97}}^1\times {\mathrm{113}}^2$

素因数の和:331

約数の個数: 30

約数和(自身を含む): 39138554

約数和(自身を除く): 19321066

約数列:

[1, 2, 4, 8, 16, 97, 113, 194, 226, 388, 452, 776, 904, 1552, 1808, 10961, 12769, 21922, 25538, 43844, 51076, 87688, 102152, 175376, 204304, 1238593, 2477186, 4954372, 9908744, 19817488]

約数ペア:

[(1, 19817488), (2, 9908744), (4, 4954372), (8, 2477186), (16, 1238593), (97, 204304), (113, 175376), (194, 102152), (226, 87688), (388, 51076), (452, 43844), (776, 25538), (904, 21922), (1552, 12769), (1808, 10961)]