18531747

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{17599}}^1$

素因数の和:17624

約数の個数: 20

約数和(自身を含む): 29814400

約数和(自身を除く): 11282653

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 17599, 52797, 158391, 228787, 475173, 686361, 1425519, 2059083, 6177249, 18531747]

約数ペア:

[(1, 18531747), (3, 6177249), (9, 2059083), (13, 1425519), (27, 686361), (39, 475173), (81, 228787), (117, 158391), (351, 52797), (1053, 17599)]