19820844

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{233}}^1$

素因数の和:399

約数の個数: 72

約数和(自身を含む): 53660880

約数和(自身を除く): 33840036

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 51, 68, 102, 139, 153, 204, 233, 278, 306, 417, 466, 556, 612, 699, 834, 932, 1251, 1398, 1668, 2097, 2363, 2502, 2796, 3961, 4194, 4726, 5004, 7089, 7922, 8388, 9452, 11883, 14178, 15844, 21267, 23766, 28356, 32387, 35649, 42534, 47532, 64774, 71298, 85068, 97161, 129548, 142596, 194322, 291483, 388644, 550579, 582966, 1101158, 1165932, 1651737, 2202316, 3303474, 4955211, 6606948, 9910422, 19820844]

約数ペア:

[(1, 19820844), (2, 9910422), (3, 6606948), (4, 4955211), (6, 3303474), (9, 2202316), (12, 1651737), (17, 1165932), (18, 1101158), (34, 582966), (36, 550579), (51, 388644), (68, 291483), (102, 194322), (139, 142596), (153, 129548), (204, 97161), (233, 85068), (278, 71298), (306, 64774), (417, 47532), (466, 42534), (556, 35649), (612, 32387), (699, 28356), (834, 23766), (932, 21267), (1251, 15844), (1398, 14178), (1668, 11883), (2097, 9452), (2363, 8388), (2502, 7922), (2796, 7089), (3961, 5004), (4194, 4726)]