18403730828

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{232171}}^1$

素因数の和:232350

約数の個数: 48

約数和(自身を含む): 39004896000

約数和(自身を除く): 20601165172

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 149, 266, 298, 532, 596, 1043, 2086, 2831, 4172, 5662, 11324, 19817, 39634, 79268, 232171, 464342, 928684, 1625197, 3250394, 4411249, 6500788, 8822498, 17644996, 30878743, 34593479, 61757486, 69186958, 123514972, 138373916, 242154353, 484308706, 657276101, 968617412, 1314552202, 2629104404, 4600932707, 9201865414, 18403730828]

約数ペア:

[(1, 18403730828), (2, 9201865414), (4, 4600932707), (7, 2629104404), (14, 1314552202), (19, 968617412), (28, 657276101), (38, 484308706), (76, 242154353), (133, 138373916), (149, 123514972), (266, 69186958), (298, 61757486), (532, 34593479), (596, 30878743), (1043, 17644996), (2086, 8822498), (2831, 6500788), (4172, 4411249), (5662, 3250394), (11324, 1625197), (19817, 928684), (39634, 464342), (79268, 232171)]