19779874

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{457}}^1$

素因数の和:562

約数の個数: 32

約数和(自身を含む): 33635520

約数和(自身を除く): 13855646

約数列:

[1, 2, 17, 19, 34, 38, 67, 134, 323, 457, 646, 914, 1139, 1273, 2278, 2546, 7769, 8683, 15538, 17366, 21641, 30619, 43282, 61238, 147611, 295222, 520523, 581761, 1041046, 1163522, 9889937, 19779874]

約数ペア:

[(1, 19779874), (2, 9889937), (17, 1163522), (19, 1041046), (34, 581761), (38, 520523), (67, 295222), (134, 147611), (323, 61238), (457, 43282), (646, 30619), (914, 21641), (1139, 17366), (1273, 15538), (2278, 8683), (2546, 7769)]