19556225

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{3167}}^1$

素因数の和:3209

約数の個数: 24

約数和(自身を含む): 27498240

約数和(自身を除く): 7942015

約数列:

[1, 5, 13, 19, 25, 65, 95, 247, 325, 475, 1235, 3167, 6175, 15835, 41171, 60173, 79175, 205855, 300865, 782249, 1029275, 1504325, 3911245, 19556225]

約数ペア:

[(1, 19556225), (5, 3911245), (13, 1504325), (19, 1029275), (25, 782249), (65, 300865), (95, 205855), (247, 79175), (325, 60173), (475, 41171), (1235, 15835), (3167, 6175)]