19806462

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{383}}^1$

素因数の和:434

約数の個数: 72

約数和(自身を含む): 49330944

約数和(自身を除く): 29524482

約数列:

[1, 2, 3, 6, 9, 13, 17, 18, 26, 34, 39, 51, 78, 102, 117, 153, 169, 221, 234, 306, 338, 383, 442, 507, 663, 766, 1014, 1149, 1326, 1521, 1989, 2298, 2873, 3042, 3447, 3978, 4979, 5746, 6511, 6894, 8619, 9958, 13022, 14937, 17238, 19533, 25857, 29874, 39066, 44811, 51714, 58599, 64727, 84643, 89622, 117198, 129454, 169286, 194181, 253929, 388362, 507858, 582543, 761787, 1100359, 1165086, 1523574, 2200718, 3301077, 6602154, 9903231, 19806462]

約数ペア:

[(1, 19806462), (2, 9903231), (3, 6602154), (6, 3301077), (9, 2200718), (13, 1523574), (17, 1165086), (18, 1100359), (26, 761787), (34, 582543), (39, 507858), (51, 388362), (78, 253929), (102, 194181), (117, 169286), (153, 129454), (169, 117198), (221, 89622), (234, 84643), (306, 64727), (338, 58599), (383, 51714), (442, 44811), (507, 39066), (663, 29874), (766, 25857), (1014, 19533), (1149, 17238), (1326, 14937), (1521, 13022), (1989, 9958), (2298, 8619), (2873, 6894), (3042, 6511), (3447, 5746), (3978, 4979)]