19818210

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{660607}}^1$

素因数の和:660617

約数の個数: 16

約数和(自身を含む): 47563776

約数和(自身を除く): 27745566

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 660607, 1321214, 1981821, 3303035, 3963642, 6606070, 9909105, 19818210]

約数ペア:

[(1, 19818210), (2, 9909105), (3, 6606070), (5, 3963642), (6, 3303035), (10, 1981821), (15, 1321214), (30, 660607)]