19473704

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{31}}^2\times {\mathrm{149}}^1$

素因数の和:234

約数の個数: 48

約数和(自身を含む): 40216500

約数和(自身を除く): 20742796

約数列:

[1, 2, 4, 8, 17, 31, 34, 62, 68, 124, 136, 149, 248, 298, 527, 596, 961, 1054, 1192, 1922, 2108, 2533, 3844, 4216, 4619, 5066, 7688, 9238, 10132, 16337, 18476, 20264, 32674, 36952, 65348, 78523, 130696, 143189, 157046, 286378, 314092, 572756, 628184, 1145512, 2434213, 4868426, 9736852, 19473704]

約数ペア:

[(1, 19473704), (2, 9736852), (4, 4868426), (8, 2434213), (17, 1145512), (31, 628184), (34, 572756), (62, 314092), (68, 286378), (124, 157046), (136, 143189), (149, 130696), (248, 78523), (298, 65348), (527, 36952), (596, 32674), (961, 20264), (1054, 18476), (1192, 16337), (1922, 10132), (2108, 9238), (2533, 7688), (3844, 5066), (4216, 4619)]