19487776

素因数分解:

$2^5\times 7^1\times {\mathrm{11}}^2\times {\mathrm{719}}^1$

素因数の和:758

約数の個数: 72

約数和(自身を含む): 48263040

約数和(自身を除く): 28775264

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 56, 77, 88, 112, 121, 154, 176, 224, 242, 308, 352, 484, 616, 719, 847, 968, 1232, 1438, 1694, 1936, 2464, 2876, 3388, 3872, 5033, 5752, 6776, 7909, 10066, 11504, 13552, 15818, 20132, 23008, 27104, 31636, 40264, 55363, 63272, 80528, 86999, 110726, 126544, 161056, 173998, 221452, 253088, 347996, 442904, 608993, 695992, 885808, 1217986, 1391984, 1771616, 2435972, 2783968, 4871944, 9743888, 19487776]

約数ペア:

[(1, 19487776), (2, 9743888), (4, 4871944), (7, 2783968), (8, 2435972), (11, 1771616), (14, 1391984), (16, 1217986), (22, 885808), (28, 695992), (32, 608993), (44, 442904), (56, 347996), (77, 253088), (88, 221452), (112, 173998), (121, 161056), (154, 126544), (176, 110726), (224, 86999), (242, 80528), (308, 63272), (352, 55363), (484, 40264), (616, 31636), (719, 27104), (847, 23008), (968, 20132), (1232, 15818), (1438, 13552), (1694, 11504), (1936, 10066), (2464, 7909), (2876, 6776), (3388, 5752), (3872, 5033)]