19798922

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1871}}^1$

素因数の和:1934

約数の個数: 32

約数和(自身を含む): 35852544

約数和(自身を除く): 16053622

約数列:

[1, 2, 11, 13, 22, 26, 37, 74, 143, 286, 407, 481, 814, 962, 1871, 3742, 5291, 10582, 20581, 24323, 41162, 48646, 69227, 138454, 267553, 535106, 761497, 899951, 1522994, 1799902, 9899461, 19798922]

約数ペア:

[(1, 19798922), (2, 9899461), (11, 1799902), (13, 1522994), (22, 899951), (26, 761497), (37, 535106), (74, 267553), (143, 138454), (286, 69227), (407, 48646), (481, 41162), (814, 24323), (962, 20581), (1871, 10582), (3742, 5291)]