19180785

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{167}}^1$

素因数の和:238

約数の個数: 64

約数和(自身を含む): 36126720

約数和(自身を除く): 16945935

約数列:

[1, 3, 5, 13, 15, 19, 31, 39, 57, 65, 93, 95, 155, 167, 195, 247, 285, 403, 465, 501, 589, 741, 835, 1209, 1235, 1767, 2015, 2171, 2505, 2945, 3173, 3705, 5177, 6045, 6513, 7657, 8835, 9519, 10855, 15531, 15865, 22971, 25885, 32565, 38285, 41249, 47595, 67301, 77655, 98363, 114855, 123747, 201903, 206245, 295089, 336505, 491815, 618735, 1009515, 1278719, 1475445, 3836157, 6393595, 19180785]

約数ペア:

[(1, 19180785), (3, 6393595), (5, 3836157), (13, 1475445), (15, 1278719), (19, 1009515), (31, 618735), (39, 491815), (57, 336505), (65, 295089), (93, 206245), (95, 201903), (155, 123747), (167, 114855), (195, 98363), (247, 77655), (285, 67301), (403, 47595), (465, 41249), (501, 38285), (589, 32565), (741, 25885), (835, 22971), (1209, 15865), (1235, 15531), (1767, 10855), (2015, 9519), (2171, 8835), (2505, 7657), (2945, 6513), (3173, 6045), (3705, 5177)]