81804196

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{311}}^1\times {\mathrm{3461}}^1$

素因数の和:3795

約数の個数: 24

約数和(自身を含む): 151220160

約数和(自身を除く): 69415964

約数列:

[1, 2, 4, 19, 38, 76, 311, 622, 1244, 3461, 5909, 6922, 11818, 13844, 23636, 65759, 131518, 263036, 1076371, 2152742, 4305484, 20451049, 40902098, 81804196]

約数ペア:

[(1, 81804196), (2, 40902098), (4, 20451049), (19, 4305484), (38, 2152742), (76, 1076371), (311, 263036), (622, 131518), (1244, 65759), (3461, 23636), (5909, 13844), (6922, 11818)]