18661724

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{113}}^1$

素因数の和:230

約数の個数: 48

約数和(自身を含む): 36197280

約数和(自身を除く): 17535556

約数列:

[1, 2, 4, 19, 38, 41, 53, 76, 82, 106, 113, 164, 212, 226, 452, 779, 1007, 1558, 2014, 2147, 2173, 3116, 4028, 4294, 4346, 4633, 5989, 8588, 8692, 9266, 11978, 18532, 23956, 41287, 82574, 88027, 113791, 165148, 176054, 227582, 245549, 352108, 455164, 491098, 982196, 4665431, 9330862, 18661724]

約数ペア:

[(1, 18661724), (2, 9330862), (4, 4665431), (19, 982196), (38, 491098), (41, 455164), (53, 352108), (76, 245549), (82, 227582), (106, 176054), (113, 165148), (164, 113791), (212, 88027), (226, 82574), (452, 41287), (779, 23956), (1007, 18532), (1558, 11978), (2014, 9266), (2147, 8692), (2173, 8588), (3116, 5989), (4028, 4633), (4294, 4346)]