19733571

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{269}}^1$

素因数の和:321

約数の個数: 64

約数和(自身を含む): 36288000

約数和(自身を除く): 16554429

約数列:

[1, 3, 9, 11, 13, 19, 27, 33, 39, 57, 99, 117, 143, 171, 209, 247, 269, 297, 351, 429, 513, 627, 741, 807, 1287, 1881, 2223, 2421, 2717, 2959, 3497, 3861, 5111, 5643, 6669, 7263, 8151, 8877, 10491, 15333, 24453, 26631, 31473, 38467, 45999, 56221, 66443, 73359, 79893, 94419, 115401, 137997, 168663, 199329, 346203, 505989, 597987, 730873, 1038609, 1517967, 1793961, 2192619, 6577857, 19733571]

約数ペア:

[(1, 19733571), (3, 6577857), (9, 2192619), (11, 1793961), (13, 1517967), (19, 1038609), (27, 730873), (33, 597987), (39, 505989), (57, 346203), (99, 199329), (117, 168663), (143, 137997), (171, 115401), (209, 94419), (247, 79893), (269, 73359), (297, 66443), (351, 56221), (429, 45999), (513, 38467), (627, 31473), (741, 26631), (807, 24453), (1287, 15333), (1881, 10491), (2223, 8877), (2421, 8151), (2717, 7263), (2959, 6669), (3497, 5643), (3861, 5111)]