18855999076

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{283}}^1\times {\mathrm{443}}^1\times {\mathrm{1979}}^1$

素因数の和:2728

約数の個数: 48

約数和(自身を含む): 34953811200

約数和(自身を除く): 16097812124

約数列:

[1, 2, 4, 19, 38, 76, 283, 443, 566, 886, 1132, 1772, 1979, 3958, 5377, 7916, 8417, 10754, 16834, 21508, 33668, 37601, 75202, 125369, 150404, 250738, 501476, 560057, 876697, 1120114, 1753394, 2240228, 2382011, 3506788, 4764022, 9528044, 10641083, 16657243, 21282166, 33314486, 42564332, 66628972, 248105251, 496210502, 992421004, 4713999769, 9427999538, 18855999076]

約数ペア:

[(1, 18855999076), (2, 9427999538), (4, 4713999769), (19, 992421004), (38, 496210502), (76, 248105251), (283, 66628972), (443, 42564332), (566, 33314486), (886, 21282166), (1132, 16657243), (1772, 10641083), (1979, 9528044), (3958, 4764022), (5377, 3506788), (7916, 2382011), (8417, 2240228), (10754, 1753394), (16834, 1120114), (21508, 876697), (33668, 560057), (37601, 501476), (75202, 250738), (125369, 150404)]