18719142

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{743}}^1$

素因数の和:797

約数の個数: 64

約数和(自身を含む): 44997120

約数和(自身を除く): 26277978

約数列:

[1, 2, 3, 6, 13, 17, 19, 26, 34, 38, 39, 51, 57, 78, 102, 114, 221, 247, 323, 442, 494, 646, 663, 741, 743, 969, 1326, 1482, 1486, 1938, 2229, 4199, 4458, 8398, 9659, 12597, 12631, 14117, 19318, 25194, 25262, 28234, 28977, 37893, 42351, 57954, 75786, 84702, 164203, 183521, 239989, 328406, 367042, 479978, 492609, 550563, 719967, 985218, 1101126, 1439934, 3119857, 6239714, 9359571, 18719142]

約数ペア:

[(1, 18719142), (2, 9359571), (3, 6239714), (6, 3119857), (13, 1439934), (17, 1101126), (19, 985218), (26, 719967), (34, 550563), (38, 492609), (39, 479978), (51, 367042), (57, 328406), (78, 239989), (102, 183521), (114, 164203), (221, 84702), (247, 75786), (323, 57954), (442, 42351), (494, 37893), (646, 28977), (663, 28234), (741, 25262), (743, 25194), (969, 19318), (1326, 14117), (1482, 12631), (1486, 12597), (1938, 9659), (2229, 8398), (4199, 4458)]