18955335

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{167}}^1$

素因数の和:252

約数の個数: 64

約数和(自身を含む): 37158912

約数和(自身を除く): 18203577

約数列:

[1, 3, 5, 7, 15, 21, 23, 35, 47, 69, 105, 115, 141, 161, 167, 235, 329, 345, 483, 501, 705, 805, 835, 987, 1081, 1169, 1645, 2415, 2505, 3243, 3507, 3841, 4935, 5405, 5845, 7567, 7849, 11523, 16215, 17535, 19205, 22701, 23547, 26887, 37835, 39245, 54943, 57615, 80661, 113505, 117735, 134435, 164829, 180527, 274715, 403305, 541581, 824145, 902635, 1263689, 2707905, 3791067, 6318445, 18955335]

約数ペア:

[(1, 18955335), (3, 6318445), (5, 3791067), (7, 2707905), (15, 1263689), (21, 902635), (23, 824145), (35, 541581), (47, 403305), (69, 274715), (105, 180527), (115, 164829), (141, 134435), (161, 117735), (167, 113505), (235, 80661), (329, 57615), (345, 54943), (483, 39245), (501, 37835), (705, 26887), (805, 23547), (835, 22701), (987, 19205), (1081, 17535), (1169, 16215), (1645, 11523), (2415, 7849), (2505, 7567), (3243, 5845), (3507, 5405), (3841, 4935)]