19830784

素因数分解:

$2^{11}\times {\mathrm{23}}^1\times {\mathrm{421}}^1$

素因数の和:466

約数の個数: 48

約数和(自身を含む): 41474160

約数和(自身を除く): 21643376

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 64, 92, 128, 184, 256, 368, 421, 512, 736, 842, 1024, 1472, 1684, 2048, 2944, 3368, 5888, 6736, 9683, 11776, 13472, 19366, 23552, 26944, 38732, 47104, 53888, 77464, 107776, 154928, 215552, 309856, 431104, 619712, 862208, 1239424, 2478848, 4957696, 9915392, 19830784]

約数ペア:

[(1, 19830784), (2, 9915392), (4, 4957696), (8, 2478848), (16, 1239424), (23, 862208), (32, 619712), (46, 431104), (64, 309856), (92, 215552), (128, 154928), (184, 107776), (256, 77464), (368, 53888), (421, 47104), (512, 38732), (736, 26944), (842, 23552), (1024, 19366), (1472, 13472), (1684, 11776), (2048, 9683), (2944, 6736), (3368, 5888)]