19286240

素因数分解:

$2^5\times 5^1\times {\mathrm{120539}}^1$

素因数の和:120554

約数の個数: 24

約数和(自身を含む): 45564120

約数和(自身を除く): 26277880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 120539, 241078, 482156, 602695, 964312, 1205390, 1928624, 2410780, 3857248, 4821560, 9643120, 19286240]

約数ペア:

[(1, 19286240), (2, 9643120), (4, 4821560), (5, 3857248), (8, 2410780), (10, 1928624), (16, 1205390), (20, 964312), (32, 602695), (40, 482156), (80, 241078), (160, 120539)]