18686340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{103813}}^1$

素因数の和:103828

約数の個数: 36

約数和(自身を含む): 56682444

約数和(自身を除く): 37996104

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 103813, 207626, 311439, 415252, 519065, 622878, 934317, 1038130, 1245756, 1557195, 1868634, 2076260, 3114390, 3737268, 4671585, 6228780, 9343170, 18686340]

約数ペア:

[(1, 18686340), (2, 9343170), (3, 6228780), (4, 4671585), (5, 3737268), (6, 3114390), (9, 2076260), (10, 1868634), (12, 1557195), (15, 1245756), (18, 1038130), (20, 934317), (30, 622878), (36, 519065), (45, 415252), (60, 311439), (90, 207626), (180, 103813)]