19368525

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{1381}}^1$

素因数の和:1422

約数の個数: 48

約数和(自身を含む): 37015488

約数和(自身を除く): 17646963

約数列:

[1, 3, 5, 11, 15, 17, 25, 33, 51, 55, 75, 85, 165, 187, 255, 275, 425, 561, 825, 935, 1275, 1381, 2805, 4143, 4675, 6905, 14025, 15191, 20715, 23477, 34525, 45573, 70431, 75955, 103575, 117385, 227865, 258247, 352155, 379775, 586925, 774741, 1139325, 1291235, 1760775, 3873705, 6456175, 19368525]

約数ペア:

[(1, 19368525), (3, 6456175), (5, 3873705), (11, 1760775), (15, 1291235), (17, 1139325), (25, 774741), (33, 586925), (51, 379775), (55, 352155), (75, 258247), (85, 227865), (165, 117385), (187, 103575), (255, 75955), (275, 70431), (425, 45573), (561, 34525), (825, 23477), (935, 20715), (1275, 15191), (1381, 14025), (2805, 6905), (4143, 4675)]