18727240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{66883}}^1$

素因数の和:66901

約数の個数: 32

約数和(自身を含む): 48156480

約数和(自身を除く): 29429240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 66883, 133766, 267532, 334415, 468181, 535064, 668830, 936362, 1337660, 1872724, 2340905, 2675320, 3745448, 4681810, 9363620, 18727240]

約数ペア:

[(1, 18727240), (2, 9363620), (4, 4681810), (5, 3745448), (7, 2675320), (8, 2340905), (10, 1872724), (14, 1337660), (20, 936362), (28, 668830), (35, 535064), (40, 468181), (56, 334415), (70, 267532), (140, 133766), (280, 66883)]