19905176

素因数分解:

$2^3\times {\mathrm{97}}^1\times {\mathrm{113}}^1\times {\mathrm{227}}^1$

素因数の和:443

約数の個数: 32

約数和(自身を含む): 38208240

約数和(自身を除く): 18303064

約数列:

[1, 2, 4, 8, 97, 113, 194, 226, 227, 388, 452, 454, 776, 904, 908, 1816, 10961, 21922, 22019, 25651, 43844, 44038, 51302, 87688, 88076, 102604, 176152, 205208, 2488147, 4976294, 9952588, 19905176]

約数ペア:

[(1, 19905176), (2, 9952588), (4, 4976294), (8, 2488147), (97, 205208), (113, 176152), (194, 102604), (226, 88076), (227, 87688), (388, 51302), (452, 44038), (454, 43844), (776, 25651), (904, 22019), (908, 21922), (1816, 10961)]