18493167

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{223}}^1\times {\mathrm{359}}^1$

素因数の和:603

約数の個数: 32

約数和(自身を含む): 30965760

約数和(自身を除く): 12472593

約数列:

[1, 3, 7, 11, 21, 33, 77, 223, 231, 359, 669, 1077, 1561, 2453, 2513, 3949, 4683, 7359, 7539, 11847, 17171, 27643, 51513, 80057, 82929, 240171, 560399, 880627, 1681197, 2641881, 6164389, 18493167]

約数ペア:

[(1, 18493167), (3, 6164389), (7, 2641881), (11, 1681197), (21, 880627), (33, 560399), (77, 240171), (223, 82929), (231, 80057), (359, 51513), (669, 27643), (1077, 17171), (1561, 11847), (2453, 7539), (2513, 7359), (3949, 4683)]