18723285

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{19813}}^1$

素因数の和:19834

約数の個数: 32

約数和(自身を含む): 38042880

約数和(自身を除く): 19319595

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 189, 315, 945, 19813, 59439, 99065, 138691, 178317, 297195, 416073, 534951, 693455, 891585, 1248219, 2080365, 2674755, 3744657, 6241095, 18723285]

約数ペア:

[(1, 18723285), (3, 6241095), (5, 3744657), (7, 2674755), (9, 2080365), (15, 1248219), (21, 891585), (27, 693455), (35, 534951), (45, 416073), (63, 297195), (105, 178317), (135, 138691), (189, 99065), (315, 59439), (945, 19813)]