19998210

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{666607}}^1$

素因数の和:666617

約数の個数: 16

約数和(自身を含む): 47995776

約数和(自身を除く): 27997566

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 666607, 1333214, 1999821, 3333035, 3999642, 6666070, 9999105, 19998210]

約数ペア:

[(1, 19998210), (2, 9999105), (3, 6666070), (5, 3999642), (6, 3333035), (10, 1999821), (15, 1333214), (30, 666607)]