18642460

素因数分解:

$2^2\times 5^1\times {\mathrm{151}}^1\times {\mathrm{6173}}^1$

素因数の和:6333

約数の個数: 24

約数和(自身を含む): 39414816

約数和(自身を除く): 20772356

約数列:

[1, 2, 4, 5, 10, 20, 151, 302, 604, 755, 1510, 3020, 6173, 12346, 24692, 30865, 61730, 123460, 932123, 1864246, 3728492, 4660615, 9321230, 18642460]

約数ペア:

[(1, 18642460), (2, 9321230), (4, 4660615), (5, 3728492), (10, 1864246), (20, 932123), (151, 123460), (302, 61730), (604, 30865), (755, 24692), (1510, 12346), (3020, 6173)]