19183203

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1$

素因数の和:137

約数の個数: 64

約数和(自身を含む): 33116160

約数和(自身を除く): 13932957

約数列:

[1, 3, 9, 13, 27, 31, 39, 41, 43, 93, 117, 123, 129, 279, 351, 369, 387, 403, 533, 559, 837, 1107, 1161, 1209, 1271, 1333, 1599, 1677, 1763, 3627, 3813, 3999, 4797, 5031, 5289, 10881, 11439, 11997, 14391, 15093, 15867, 16523, 17329, 22919, 34317, 35991, 47601, 49569, 51987, 54653, 68757, 148707, 155961, 163959, 206271, 446121, 467883, 491877, 618813, 710489, 1475631, 2131467, 6394401, 19183203]

約数ペア:

[(1, 19183203), (3, 6394401), (9, 2131467), (13, 1475631), (27, 710489), (31, 618813), (39, 491877), (41, 467883), (43, 446121), (93, 206271), (117, 163959), (123, 155961), (129, 148707), (279, 68757), (351, 54653), (369, 51987), (387, 49569), (403, 47601), (533, 35991), (559, 34317), (837, 22919), (1107, 17329), (1161, 16523), (1209, 15867), (1271, 15093), (1333, 14391), (1599, 11997), (1677, 11439), (1763, 10881), (3627, 5289), (3813, 5031), (3999, 4797)]