18605385

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{269}}^1$

素因数の和:362

約数の個数: 48

約数和(自身を含む): 34117200

約数和(自身を除く): 15511815

約数列:

[1, 3, 5, 9, 15, 29, 45, 53, 87, 145, 159, 261, 265, 269, 435, 477, 795, 807, 1305, 1345, 1537, 2385, 2421, 4035, 4611, 7685, 7801, 12105, 13833, 14257, 23055, 23403, 39005, 42771, 69165, 70209, 71285, 117015, 128313, 213855, 351045, 413453, 641565, 1240359, 2067265, 3721077, 6201795, 18605385]

約数ペア:

[(1, 18605385), (3, 6201795), (5, 3721077), (9, 2067265), (15, 1240359), (29, 641565), (45, 413453), (53, 351045), (87, 213855), (145, 128313), (159, 117015), (261, 71285), (265, 70209), (269, 69165), (435, 42771), (477, 39005), (795, 23403), (807, 23055), (1305, 14257), (1345, 13833), (1537, 12105), (2385, 7801), (2421, 7685), (4035, 4611)]