19901835

素因数分解:

$3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{7759}}^1$

素因数の和:7792

約数の個数: 32

約数和(自身を含む): 37248000

約数和(自身を除く): 17346165

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 57, 95, 135, 171, 285, 513, 855, 2565, 7759, 23277, 38795, 69831, 116385, 147421, 209493, 349155, 442263, 737105, 1047465, 1326789, 2211315, 3980367, 6633945, 19901835]

約数ペア:

[(1, 19901835), (3, 6633945), (5, 3980367), (9, 2211315), (15, 1326789), (19, 1047465), (27, 737105), (45, 442263), (57, 349155), (95, 209493), (135, 147421), (171, 116385), (285, 69831), (513, 38795), (855, 23277), (2565, 7759)]