18993802

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{223}}^1\times {\mathrm{1151}}^1$

素因数の和:1413

約数の個数: 16

約数和(自身を含む): 29417472

約数和(自身を除く): 10423670

約数列:

[1, 2, 37, 74, 223, 446, 1151, 2302, 8251, 16502, 42587, 85174, 256673, 513346, 9496901, 18993802]

約数ペア:

[(1, 18993802), (2, 9496901), (37, 513346), (74, 256673), (223, 85174), (446, 42587), (1151, 16502), (2302, 8251)]