19843515

素因数分解:

$3^3\times 5^1\times {\mathrm{146989}}^1$

素因数の和:147003

約数の個数: 16

約数和(自身を含む): 35277600

約数和(自身を除く): 15434085

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 146989, 440967, 734945, 1322901, 2204835, 3968703, 6614505, 19843515]

約数ペア:

[(1, 19843515), (3, 6614505), (5, 3968703), (9, 2204835), (15, 1322901), (27, 734945), (45, 440967), (135, 146989)]