19219735

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{307}}^1\times {\mathrm{659}}^1$

素因数の和:990

約数の個数: 16

約数和(自身を含む): 24393600

約数和(自身を除く): 5173865

約数列:

[1, 5, 19, 95, 307, 659, 1535, 3295, 5833, 12521, 29165, 62605, 202313, 1011565, 3843947, 19219735]

約数ペア:

[(1, 19219735), (5, 3843947), (19, 1011565), (95, 202313), (307, 62605), (659, 29165), (1535, 12521), (3295, 5833)]