19007768

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{827}}^1$

素因数の和:876

約数の個数: 48

約数和(自身を含む): 40911480

約数和(自身を除く): 21903712

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 52, 68, 104, 136, 169, 221, 338, 442, 676, 827, 884, 1352, 1654, 1768, 2873, 3308, 5746, 6616, 10751, 11492, 14059, 21502, 22984, 28118, 43004, 56236, 86008, 112472, 139763, 182767, 279526, 365534, 559052, 731068, 1118104, 1462136, 2375971, 4751942, 9503884, 19007768]

約数ペア:

[(1, 19007768), (2, 9503884), (4, 4751942), (8, 2375971), (13, 1462136), (17, 1118104), (26, 731068), (34, 559052), (52, 365534), (68, 279526), (104, 182767), (136, 139763), (169, 112472), (221, 86008), (338, 56236), (442, 43004), (676, 28118), (827, 22984), (884, 21502), (1352, 14059), (1654, 11492), (1768, 10751), (2873, 6616), (3308, 5746)]