18668985

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{1021}}^1$

素因数の和:1105

約数の個数: 32

約数和(自身を含む): 31788288

約数和(自身を除く): 13119303

約数列:

[1, 3, 5, 15, 23, 53, 69, 115, 159, 265, 345, 795, 1021, 1219, 3063, 3657, 5105, 6095, 15315, 18285, 23483, 54113, 70449, 117415, 162339, 270565, 352245, 811695, 1244599, 3733797, 6222995, 18668985]

約数ペア:

[(1, 18668985), (3, 6222995), (5, 3733797), (15, 1244599), (23, 811695), (53, 352245), (69, 270565), (115, 162339), (159, 117415), (265, 70449), (345, 54113), (795, 23483), (1021, 18285), (1219, 15315), (3063, 6095), (3657, 5105)]