19319276

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{787}}^1$

素因数の和:846

約数の個数: 36

約数和(自身を含む): 37828728

約数和(自身を除く): 18509452

約数列:

[1, 2, 4, 17, 19, 34, 38, 68, 76, 323, 361, 646, 722, 787, 1292, 1444, 1574, 3148, 6137, 12274, 13379, 14953, 24548, 26758, 29906, 53516, 59812, 254201, 284107, 508402, 568214, 1016804, 1136428, 4829819, 9659638, 19319276]

約数ペア:

[(1, 19319276), (2, 9659638), (4, 4829819), (17, 1136428), (19, 1016804), (34, 568214), (38, 508402), (68, 284107), (76, 254201), (323, 59812), (361, 53516), (646, 29906), (722, 26758), (787, 24548), (1292, 14953), (1444, 13379), (1574, 12274), (3148, 6137)]