19916428

素因数分解:

$2^2\times 7^1\times {\mathrm{97}}^1\times {\mathrm{7333}}^1$

素因数の和:7441

約数の個数: 24

約数和(自身を含む): 40248992

約数和(自身を除く): 20332564

約数列:

[1, 2, 4, 7, 14, 28, 97, 194, 388, 679, 1358, 2716, 7333, 14666, 29332, 51331, 102662, 205324, 711301, 1422602, 2845204, 4979107, 9958214, 19916428]

約数ペア:

[(1, 19916428), (2, 9958214), (4, 4979107), (7, 2845204), (14, 1422602), (28, 711301), (97, 205324), (194, 102662), (388, 51331), (679, 29332), (1358, 14666), (2716, 7333)]