19874682

素因数分解:

$2^1\times 3^2\times {\mathrm{53}}^1\times {\mathrm{83}}^1\times {\mathrm{251}}^1$

素因数の和:395

約数の個数: 48

約数和(自身を含む): 44579808

約数和(自身を除く): 24705126

約数列:

[1, 2, 3, 6, 9, 18, 53, 83, 106, 159, 166, 249, 251, 318, 477, 498, 502, 747, 753, 954, 1494, 1506, 2259, 4399, 4518, 8798, 13197, 13303, 20833, 26394, 26606, 39591, 39909, 41666, 62499, 79182, 79818, 119727, 124998, 187497, 239454, 374994, 1104149, 2208298, 3312447, 6624894, 9937341, 19874682]

約数ペア:

[(1, 19874682), (2, 9937341), (3, 6624894), (6, 3312447), (9, 2208298), (18, 1104149), (53, 374994), (83, 239454), (106, 187497), (159, 124998), (166, 119727), (249, 79818), (251, 79182), (318, 62499), (477, 41666), (498, 39909), (502, 39591), (747, 26606), (753, 26394), (954, 20833), (1494, 13303), (1506, 13197), (2259, 8798), (4399, 4518)]