19335920

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{12721}}^1$

素因数の和:12753

約数の個数: 40

約数和(自身を含む): 47325840

約数和(自身を除く): 27989920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 12721, 25442, 50884, 63605, 101768, 127210, 203536, 241699, 254420, 483398, 508840, 966796, 1017680, 1208495, 1933592, 2416990, 3867184, 4833980, 9667960, 19335920]

約数ペア:

[(1, 19335920), (2, 9667960), (4, 4833980), (5, 3867184), (8, 2416990), (10, 1933592), (16, 1208495), (19, 1017680), (20, 966796), (38, 508840), (40, 483398), (76, 254420), (80, 241699), (95, 203536), (152, 127210), (190, 101768), (304, 63605), (380, 50884), (760, 25442), (1520, 12721)]