18398097

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{431}}^1$

素因数の和:491

約数の個数: 40

約数和(自身を含む): 30108672

約数和(自身を除く): 11710575

約数列:

[1, 3, 9, 17, 27, 31, 51, 81, 93, 153, 279, 431, 459, 527, 837, 1293, 1377, 1581, 2511, 3879, 4743, 7327, 11637, 13361, 14229, 21981, 34911, 40083, 42687, 65943, 120249, 197829, 227137, 360747, 593487, 681411, 1082241, 2044233, 6132699, 18398097]

約数ペア:

[(1, 18398097), (3, 6132699), (9, 2044233), (17, 1082241), (27, 681411), (31, 593487), (51, 360747), (81, 227137), (93, 197829), (153, 120249), (279, 65943), (431, 42687), (459, 40083), (527, 34911), (837, 21981), (1293, 14229), (1377, 13361), (1581, 11637), (2511, 7327), (3879, 4743)]