18369747

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{389}}^1$

素因数の和:465

約数の個数: 40

約数和(自身を含む): 30579120

約数和(自身を除く): 12209373

約数列:

[1, 3, 9, 11, 27, 33, 53, 81, 99, 159, 297, 389, 477, 583, 891, 1167, 1431, 1749, 3501, 4279, 4293, 5247, 10503, 12837, 15741, 20617, 31509, 38511, 47223, 61851, 115533, 185553, 226787, 346599, 556659, 680361, 1669977, 2041083, 6123249, 18369747]

約数ペア:

[(1, 18369747), (3, 6123249), (9, 2041083), (11, 1669977), (27, 680361), (33, 556659), (53, 346599), (81, 226787), (99, 185553), (159, 115533), (297, 61851), (389, 47223), (477, 38511), (583, 31509), (891, 20617), (1167, 15741), (1431, 12837), (1749, 10503), (3501, 5247), (4279, 4293)]