19606120

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{211}}^1$

素因数の和:346

約数の個数: 64

約数和(自身を含む): 46707840

約数和(自身を除く): 27101720

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 101, 115, 184, 202, 211, 230, 404, 422, 460, 505, 808, 844, 920, 1010, 1055, 1688, 2020, 2110, 2323, 4040, 4220, 4646, 4853, 8440, 9292, 9706, 11615, 18584, 19412, 21311, 23230, 24265, 38824, 42622, 46460, 48530, 85244, 92920, 97060, 106555, 170488, 194120, 213110, 426220, 490153, 852440, 980306, 1960612, 2450765, 3921224, 4901530, 9803060, 19606120]

約数ペア:

[(1, 19606120), (2, 9803060), (4, 4901530), (5, 3921224), (8, 2450765), (10, 1960612), (20, 980306), (23, 852440), (40, 490153), (46, 426220), (92, 213110), (101, 194120), (115, 170488), (184, 106555), (202, 97060), (211, 92920), (230, 85244), (404, 48530), (422, 46460), (460, 42622), (505, 38824), (808, 24265), (844, 23230), (920, 21311), (1010, 19412), (1055, 18584), (1688, 11615), (2020, 9706), (2110, 9292), (2323, 8440), (4040, 4853), (4220, 4646)]