19415473

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{577}}^1$

素因数の和:637

約数の個数: 32

約数和(自身を含む): 26634240

約数和(自身を除く): 7218767

約数列:

[1, 7, 11, 19, 23, 77, 133, 161, 209, 253, 437, 577, 1463, 1771, 3059, 4039, 4807, 6347, 10963, 13271, 33649, 44429, 76741, 92897, 120593, 145981, 252149, 844151, 1021867, 1765043, 2773639, 19415473]

約数ペア:

[(1, 19415473), (7, 2773639), (11, 1765043), (19, 1021867), (23, 844151), (77, 252149), (133, 145981), (161, 120593), (209, 92897), (253, 76741), (437, 44429), (577, 33649), (1463, 13271), (1771, 10963), (3059, 6347), (4039, 4807)]