18635288

素因数分解:

$2^3\times 7^2\times {\mathrm{137}}^1\times {\mathrm{347}}^1$

素因数の和:504

約数の個数: 48

約数和(自身を含む): 41060520

約数和(自身を除く): 22425232

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 137, 196, 274, 347, 392, 548, 694, 959, 1096, 1388, 1918, 2429, 2776, 3836, 4858, 6713, 7672, 9716, 13426, 17003, 19432, 26852, 34006, 47539, 53704, 68012, 95078, 136024, 190156, 332773, 380312, 665546, 1331092, 2329411, 2662184, 4658822, 9317644, 18635288]

約数ペア:

[(1, 18635288), (2, 9317644), (4, 4658822), (7, 2662184), (8, 2329411), (14, 1331092), (28, 665546), (49, 380312), (56, 332773), (98, 190156), (137, 136024), (196, 95078), (274, 68012), (347, 53704), (392, 47539), (548, 34006), (694, 26852), (959, 19432), (1096, 17003), (1388, 13426), (1918, 9716), (2429, 7672), (2776, 6713), (3836, 4858)]