19504004

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{4519}}^1$

素因数の和:4619

約数の個数: 24

約数和(自身を含む): 37208640

約数和(自身を除く): 17704636

約数列:

[1, 2, 4, 13, 26, 52, 83, 166, 332, 1079, 2158, 4316, 4519, 9038, 18076, 58747, 117494, 234988, 375077, 750154, 1500308, 4876001, 9752002, 19504004]

約数ペア:

[(1, 19504004), (2, 9752002), (4, 4876001), (13, 1500308), (26, 750154), (52, 375077), (83, 234988), (166, 117494), (332, 58747), (1079, 18076), (2158, 9038), (4316, 4519)]