19451992

素因数分解:

$2^3\times 7^1\times {\mathrm{97}}^1\times {\mathrm{3581}}^1$

素因数の和:3691

約数の個数: 32

約数和(自身を含む): 42124320

約数和(自身を除く): 22672328

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 97, 194, 388, 679, 776, 1358, 2716, 3581, 5432, 7162, 14324, 25067, 28648, 50134, 100268, 200536, 347357, 694714, 1389428, 2431499, 2778856, 4862998, 9725996, 19451992]

約数ペア:

[(1, 19451992), (2, 9725996), (4, 4862998), (7, 2778856), (8, 2431499), (14, 1389428), (28, 694714), (56, 347357), (97, 200536), (194, 100268), (388, 50134), (679, 28648), (776, 25067), (1358, 14324), (2716, 7162), (3581, 5432)]