19553157

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{599}}^1$

素因数の和:655

約数の個数: 40

約数和(自身を含む): 32524800

約数和(自身を除く): 12971643

約数列:

[1, 3, 9, 13, 27, 31, 39, 81, 93, 117, 279, 351, 403, 599, 837, 1053, 1209, 1797, 2511, 3627, 5391, 7787, 10881, 16173, 18569, 23361, 32643, 48519, 55707, 70083, 167121, 210249, 241397, 501363, 630747, 724191, 1504089, 2172573, 6517719, 19553157]

約数ペア:

[(1, 19553157), (3, 6517719), (9, 2172573), (13, 1504089), (27, 724191), (31, 630747), (39, 501363), (81, 241397), (93, 210249), (117, 167121), (279, 70083), (351, 55707), (403, 48519), (599, 32643), (837, 23361), (1053, 18569), (1209, 16173), (1797, 10881), (2511, 7787), (3627, 5391)]