19873812

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{463}}^1$

素因数の和:557

約数の個数: 72

約数和(自身を含む): 54800256

約数和(自身を除く): 34926444

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 73, 84, 98, 146, 147, 196, 219, 292, 294, 438, 463, 511, 588, 876, 926, 1022, 1389, 1533, 1852, 2044, 2778, 3066, 3241, 3577, 5556, 6132, 6482, 7154, 9723, 10731, 12964, 14308, 19446, 21462, 22687, 33799, 38892, 42924, 45374, 67598, 68061, 90748, 101397, 135196, 136122, 202794, 236593, 272244, 405588, 473186, 709779, 946372, 1419558, 1656151, 2839116, 3312302, 4968453, 6624604, 9936906, 19873812]

約数ペア:

[(1, 19873812), (2, 9936906), (3, 6624604), (4, 4968453), (6, 3312302), (7, 2839116), (12, 1656151), (14, 1419558), (21, 946372), (28, 709779), (42, 473186), (49, 405588), (73, 272244), (84, 236593), (98, 202794), (146, 136122), (147, 135196), (196, 101397), (219, 90748), (292, 68061), (294, 67598), (438, 45374), (463, 42924), (511, 38892), (588, 33799), (876, 22687), (926, 21462), (1022, 19446), (1389, 14308), (1533, 12964), (1852, 10731), (2044, 9723), (2778, 7154), (3066, 6482), (3241, 6132), (3577, 5556)]