19648278

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^2\times {\mathrm{2153}}^1$

素因数の和:2190

約数の個数: 48

約数和(自身を含む): 47301840

約数和(自身を除く): 27653562

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 117, 169, 234, 338, 351, 507, 702, 1014, 1521, 2153, 3042, 4306, 4563, 6459, 9126, 12918, 19377, 27989, 38754, 55978, 58131, 83967, 116262, 167934, 251901, 363857, 503802, 727714, 755703, 1091571, 1511406, 2183142, 3274713, 6549426, 9824139, 19648278]

約数ペア:

[(1, 19648278), (2, 9824139), (3, 6549426), (6, 3274713), (9, 2183142), (13, 1511406), (18, 1091571), (26, 755703), (27, 727714), (39, 503802), (54, 363857), (78, 251901), (117, 167934), (169, 116262), (234, 83967), (338, 58131), (351, 55978), (507, 38754), (702, 27989), (1014, 19377), (1521, 12918), (2153, 9126), (3042, 6459), (4306, 4563)]