20181135

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{419}}^1$

素因数の和:472

約数の個数: 48

約数和(自身を含む): 36892800

約数和(自身を除く): 16711665

約数列:

[1, 3, 5, 13, 15, 19, 39, 57, 65, 95, 169, 195, 247, 285, 419, 507, 741, 845, 1235, 1257, 2095, 2535, 3211, 3705, 5447, 6285, 7961, 9633, 16055, 16341, 23883, 27235, 39805, 48165, 70811, 81705, 103493, 119415, 212433, 310479, 354055, 517465, 1062165, 1345409, 1552395, 4036227, 6727045, 20181135]

約数ペア:

[(1, 20181135), (3, 6727045), (5, 4036227), (13, 1552395), (15, 1345409), (19, 1062165), (39, 517465), (57, 354055), (65, 310479), (95, 212433), (169, 119415), (195, 103493), (247, 81705), (285, 70811), (419, 48165), (507, 39805), (741, 27235), (845, 23883), (1235, 16341), (1257, 16055), (2095, 9633), (2535, 7961), (3211, 6285), (3705, 5447)]