18051615

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{491}}^1$

素因数の和:564

約数の個数: 48

約数和(自身を含む): 33770880

約数和(自身を除く): 15719265

約数列:

[1, 3, 5, 9, 15, 19, 43, 45, 57, 95, 129, 171, 215, 285, 387, 491, 645, 817, 855, 1473, 1935, 2451, 2455, 4085, 4419, 7353, 7365, 9329, 12255, 21113, 22095, 27987, 36765, 46645, 63339, 83961, 105565, 139935, 190017, 316695, 401147, 419805, 950085, 1203441, 2005735, 3610323, 6017205, 18051615]

約数ペア:

[(1, 18051615), (3, 6017205), (5, 3610323), (9, 2005735), (15, 1203441), (19, 950085), (43, 419805), (45, 401147), (57, 316695), (95, 190017), (129, 139935), (171, 105565), (215, 83961), (285, 63339), (387, 46645), (491, 36765), (645, 27987), (817, 22095), (855, 21113), (1473, 12255), (1935, 9329), (2451, 7365), (2455, 7353), (4085, 4419)]