18738783

素因数分解:

$3^4\times 7^1\times {\mathrm{33049}}^1$

素因数の和:33068

約数の個数: 20

約数和(自身を含む): 31992400

約数和(自身を除く): 13253617

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 33049, 99147, 231343, 297441, 694029, 892323, 2082087, 2676969, 6246261, 18738783]

約数ペア:

[(1, 18738783), (3, 6246261), (7, 2676969), (9, 2082087), (21, 892323), (27, 694029), (63, 297441), (81, 231343), (189, 99147), (567, 33049)]