19061515

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{107}}^1$

素因数の和:243

約数の個数: 32

約数和(自身を含む): 26127360

約数和(自身を除く): 7065845

約数列:

[1, 5, 11, 41, 55, 79, 107, 205, 395, 451, 535, 869, 1177, 2255, 3239, 4345, 4387, 5885, 8453, 16195, 21935, 35629, 42265, 48257, 92983, 178145, 241285, 346573, 464915, 1732865, 3812303, 19061515]

約数ペア:

[(1, 19061515), (5, 3812303), (11, 1732865), (41, 464915), (55, 346573), (79, 241285), (107, 178145), (205, 92983), (395, 48257), (451, 42265), (535, 35629), (869, 21935), (1177, 16195), (2255, 8453), (3239, 5885), (4345, 4387)]