19748745

素因数分解:

$3^3\times 5^1\times {\mathrm{241}}^1\times {\mathrm{607}}^1$

素因数の和:862

約数の個数: 32

約数和(自身を含む): 35312640

約数和(自身を除く): 15563895

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 241, 607, 723, 1205, 1821, 2169, 3035, 3615, 5463, 6507, 9105, 10845, 16389, 27315, 32535, 81945, 146287, 438861, 731435, 1316583, 2194305, 3949749, 6582915, 19748745]

約数ペア:

[(1, 19748745), (3, 6582915), (5, 3949749), (9, 2194305), (15, 1316583), (27, 731435), (45, 438861), (135, 146287), (241, 81945), (607, 32535), (723, 27315), (1205, 16389), (1821, 10845), (2169, 9105), (3035, 6507), (3615, 5463)]