18009188

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{263}}^1$

素因数の和:356

約数の個数: 48

約数和(自身を含む): 35925120

約数和(自身を除く): 17915932

約数列:

[1, 2, 4, 17, 19, 34, 38, 53, 68, 76, 106, 212, 263, 323, 526, 646, 901, 1007, 1052, 1292, 1802, 2014, 3604, 4028, 4471, 4997, 8942, 9994, 13939, 17119, 17884, 19988, 27878, 34238, 55756, 68476, 84949, 169898, 236963, 264841, 339796, 473926, 529682, 947852, 1059364, 4502297, 9004594, 18009188]

約数ペア:

[(1, 18009188), (2, 9004594), (4, 4502297), (17, 1059364), (19, 947852), (34, 529682), (38, 473926), (53, 339796), (68, 264841), (76, 236963), (106, 169898), (212, 84949), (263, 68476), (323, 55756), (526, 34238), (646, 27878), (901, 19988), (1007, 17884), (1052, 17119), (1292, 13939), (1802, 9994), (2014, 8942), (3604, 4997), (4028, 4471)]