18860835

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{67}}^1\times {\mathrm{383}}^1$

素因数の和:472

約数の個数: 48

約数和(自身を含む): 35721216

約数和(自身を除く): 16860381

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 67, 105, 147, 201, 245, 335, 383, 469, 735, 1005, 1149, 1407, 1915, 2345, 2681, 3283, 5745, 7035, 8043, 9849, 13405, 16415, 18767, 25661, 40215, 49245, 56301, 76983, 93835, 128305, 179627, 281505, 384915, 538881, 898135, 1257389, 2694405, 3772167, 6286945, 18860835]

約数ペア:

[(1, 18860835), (3, 6286945), (5, 3772167), (7, 2694405), (15, 1257389), (21, 898135), (35, 538881), (49, 384915), (67, 281505), (105, 179627), (147, 128305), (201, 93835), (245, 76983), (335, 56301), (383, 49245), (469, 40215), (735, 25661), (1005, 18767), (1149, 16415), (1407, 13405), (1915, 9849), (2345, 8043), (2681, 7035), (3283, 5745)]