19834864

素因数分解:

$2^4\times 7^1\times {\mathrm{409}}^1\times {\mathrm{433}}^1$

素因数の和:857

約数の個数: 40

約数和(自身を含む): 44129120

約数和(自身を除く): 24294256

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 409, 433, 818, 866, 1636, 1732, 2863, 3031, 3272, 3464, 5726, 6062, 6544, 6928, 11452, 12124, 22904, 24248, 45808, 48496, 177097, 354194, 708388, 1239679, 1416776, 2479358, 2833552, 4958716, 9917432, 19834864]

約数ペア:

[(1, 19834864), (2, 9917432), (4, 4958716), (7, 2833552), (8, 2479358), (14, 1416776), (16, 1239679), (28, 708388), (56, 354194), (112, 177097), (409, 48496), (433, 45808), (818, 24248), (866, 22904), (1636, 12124), (1732, 11452), (2863, 6928), (3031, 6544), (3272, 6062), (3464, 5726)]