19115531105

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{2557}}^1$

素因数の和:2754

約数の個数: 64

約数和(自身を含む): 26742355200

約数和(自身を除く): 7626824095

約数列:

[1, 5, 11, 29, 43, 55, 109, 145, 215, 319, 473, 545, 1199, 1247, 1595, 2365, 2557, 3161, 4687, 5995, 6235, 12785, 13717, 15805, 23435, 28127, 34771, 51557, 68585, 74153, 109951, 135923, 140635, 173855, 257785, 278713, 370765, 549755, 679615, 815683, 1209461, 1393565, 1495153, 3065843, 3188579, 4078415, 6047305, 7475765, 8082677, 11984659, 15329215, 15942895, 35074369, 40413385, 59923295, 88909447, 131831249, 175371845, 347555111, 444547235, 659156245, 1737775555, 3823106221, 19115531105]

約数ペア:

[(1, 19115531105), (5, 3823106221), (11, 1737775555), (29, 659156245), (43, 444547235), (55, 347555111), (109, 175371845), (145, 131831249), (215, 88909447), (319, 59923295), (473, 40413385), (545, 35074369), (1199, 15942895), (1247, 15329215), (1595, 11984659), (2365, 8082677), (2557, 7475765), (3161, 6047305), (4687, 4078415), (5995, 3188579), (6235, 3065843), (12785, 1495153), (13717, 1393565), (15805, 1209461), (23435, 815683), (28127, 679615), (34771, 549755), (51557, 370765), (68585, 278713), (74153, 257785), (109951, 173855), (135923, 140635)]