18078408

素因数分解:

$2^3\times 3^2\times {\mathrm{257}}^1\times {\mathrm{977}}^1$

素因数の和:1246

約数の個数: 48

約数和(自身を含む): 49203180

約数和(自身を除く): 31124772

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 257, 514, 771, 977, 1028, 1542, 1954, 2056, 2313, 2931, 3084, 3908, 4626, 5862, 6168, 7816, 8793, 9252, 11724, 17586, 18504, 23448, 35172, 70344, 251089, 502178, 753267, 1004356, 1506534, 2008712, 2259801, 3013068, 4519602, 6026136, 9039204, 18078408]

約数ペア:

[(1, 18078408), (2, 9039204), (3, 6026136), (4, 4519602), (6, 3013068), (8, 2259801), (9, 2008712), (12, 1506534), (18, 1004356), (24, 753267), (36, 502178), (72, 251089), (257, 70344), (514, 35172), (771, 23448), (977, 18504), (1028, 17586), (1542, 11724), (1954, 9252), (2056, 8793), (2313, 7816), (2931, 6168), (3084, 5862), (3908, 4626)]