19131138

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{331}}^1$

素因数の和:384

約数の個数: 72

約数和(自身を含む): 47389680

約数和(自身を除く): 28258542

約数列:

[1, 2, 3, 6, 9, 13, 18, 19, 26, 38, 39, 57, 78, 114, 117, 169, 171, 234, 247, 331, 338, 342, 494, 507, 662, 741, 993, 1014, 1482, 1521, 1986, 2223, 2979, 3042, 3211, 4303, 4446, 5958, 6289, 6422, 8606, 9633, 12578, 12909, 18867, 19266, 25818, 28899, 37734, 38727, 55939, 56601, 57798, 77454, 81757, 111878, 113202, 163514, 167817, 245271, 335634, 490542, 503451, 735813, 1006902, 1062841, 1471626, 2125682, 3188523, 6377046, 9565569, 19131138]

約数ペア:

[(1, 19131138), (2, 9565569), (3, 6377046), (6, 3188523), (9, 2125682), (13, 1471626), (18, 1062841), (19, 1006902), (26, 735813), (38, 503451), (39, 490542), (57, 335634), (78, 245271), (114, 167817), (117, 163514), (169, 113202), (171, 111878), (234, 81757), (247, 77454), (331, 57798), (338, 56601), (342, 55939), (494, 38727), (507, 37734), (662, 28899), (741, 25818), (993, 19266), (1014, 18867), (1482, 12909), (1521, 12578), (1986, 9633), (2223, 8606), (2979, 6422), (3042, 6289), (3211, 5958), (4303, 4446)]