19932650

素因数分解:

$2^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{127}}^1$

素因数の和:255

約数の個数: 48

約数和(自身を含む): 38759424

約数和(自身を除く): 18826774

約数列:

[1, 2, 5, 10, 25, 43, 50, 73, 86, 127, 146, 215, 254, 365, 430, 635, 730, 1075, 1270, 1825, 2150, 3139, 3175, 3650, 5461, 6278, 6350, 9271, 10922, 15695, 18542, 27305, 31390, 46355, 54610, 78475, 92710, 136525, 156950, 231775, 273050, 398653, 463550, 797306, 1993265, 3986530, 9966325, 19932650]

約数ペア:

[(1, 19932650), (2, 9966325), (5, 3986530), (10, 1993265), (25, 797306), (43, 463550), (50, 398653), (73, 273050), (86, 231775), (127, 156950), (146, 136525), (215, 92710), (254, 78475), (365, 54610), (430, 46355), (635, 31390), (730, 27305), (1075, 18542), (1270, 15695), (1825, 10922), (2150, 9271), (3139, 6350), (3175, 6278), (3650, 5461)]