19746208

素因数分解:

$2^5\times {\mathrm{73}}^1\times {\mathrm{79}}^1\times {\mathrm{107}}^1$

素因数の和:269

約数の個数: 48

約数和(自身を含む): 40279680

約数和(自身を除く): 20533472

約数列:

[1, 2, 4, 8, 16, 32, 73, 79, 107, 146, 158, 214, 292, 316, 428, 584, 632, 856, 1168, 1264, 1712, 2336, 2528, 3424, 5767, 7811, 8453, 11534, 15622, 16906, 23068, 31244, 33812, 46136, 62488, 67624, 92272, 124976, 135248, 184544, 249952, 270496, 617069, 1234138, 2468276, 4936552, 9873104, 19746208]

約数ペア:

[(1, 19746208), (2, 9873104), (4, 4936552), (8, 2468276), (16, 1234138), (32, 617069), (73, 270496), (79, 249952), (107, 184544), (146, 135248), (158, 124976), (214, 92272), (292, 67624), (316, 62488), (428, 46136), (584, 33812), (632, 31244), (856, 23068), (1168, 16906), (1264, 15622), (1712, 11534), (2336, 8453), (2528, 7811), (3424, 5767)]