18704060

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{557}}^1$

素因数の和:662

約数の個数: 48

約数和(自身を含む): 41622336

約数和(自身を除く): 22918276

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 73, 92, 115, 146, 230, 292, 365, 460, 557, 730, 1114, 1460, 1679, 2228, 2785, 3358, 5570, 6716, 8395, 11140, 12811, 16790, 25622, 33580, 40661, 51244, 64055, 81322, 128110, 162644, 203305, 256220, 406610, 813220, 935203, 1870406, 3740812, 4676015, 9352030, 18704060]

約数ペア:

[(1, 18704060), (2, 9352030), (4, 4676015), (5, 3740812), (10, 1870406), (20, 935203), (23, 813220), (46, 406610), (73, 256220), (92, 203305), (115, 162644), (146, 128110), (230, 81322), (292, 64055), (365, 51244), (460, 40661), (557, 33580), (730, 25622), (1114, 16790), (1460, 12811), (1679, 11140), (2228, 8395), (2785, 6716), (3358, 5570)]