17994878

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1$

素因数の和:161

約数の個数: 48

約数和(自身を含む): 32060448

約数和(自身を除く): 14065570

約数列:

[1, 2, 11, 22, 23, 46, 53, 61, 106, 121, 122, 242, 253, 506, 583, 671, 1166, 1219, 1342, 1403, 2438, 2783, 2806, 3233, 5566, 6413, 6466, 7381, 12826, 13409, 14762, 15433, 26818, 30866, 35563, 71126, 74359, 147499, 148718, 169763, 294998, 339526, 391193, 782386, 817949, 1635898, 8997439, 17994878]

約数ペア:

[(1, 17994878), (2, 8997439), (11, 1635898), (22, 817949), (23, 782386), (46, 391193), (53, 339526), (61, 294998), (106, 169763), (121, 148718), (122, 147499), (242, 74359), (253, 71126), (506, 35563), (583, 30866), (671, 26818), (1166, 15433), (1219, 14762), (1342, 13409), (1403, 12826), (2438, 7381), (2783, 6466), (2806, 6413), (3233, 5566)]