19291808

素因数分解:

$2^5\times {\mathrm{47}}^1\times {\mathrm{101}}^1\times {\mathrm{127}}^1$

素因数の和:285

約数の個数: 48

約数和(自身を含む): 39481344

約数和(自身を除く): 20189536

約数列:

[1, 2, 4, 8, 16, 32, 47, 94, 101, 127, 188, 202, 254, 376, 404, 508, 752, 808, 1016, 1504, 1616, 2032, 3232, 4064, 4747, 5969, 9494, 11938, 12827, 18988, 23876, 25654, 37976, 47752, 51308, 75952, 95504, 102616, 151904, 191008, 205232, 410464, 602869, 1205738, 2411476, 4822952, 9645904, 19291808]

約数ペア:

[(1, 19291808), (2, 9645904), (4, 4822952), (8, 2411476), (16, 1205738), (32, 602869), (47, 410464), (94, 205232), (101, 191008), (127, 151904), (188, 102616), (202, 95504), (254, 75952), (376, 51308), (404, 47752), (508, 37976), (752, 25654), (808, 23876), (1016, 18988), (1504, 12827), (1616, 11938), (2032, 9494), (3232, 5969), (4064, 4747)]