19427240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{69383}}^1$

素因数の和:69401

約数の個数: 32

約数和(自身を含む): 49956480

約数和(自身を除く): 30529240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 69383, 138766, 277532, 346915, 485681, 555064, 693830, 971362, 1387660, 1942724, 2428405, 2775320, 3885448, 4856810, 9713620, 19427240]

約数ペア:

[(1, 19427240), (2, 9713620), (4, 4856810), (5, 3885448), (7, 2775320), (8, 2428405), (10, 1942724), (14, 1387660), (20, 971362), (28, 693830), (35, 555064), (40, 485681), (56, 346915), (70, 277532), (140, 138766), (280, 69383)]