19838834

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{157}}^1$

素因数の和:290

約数の個数: 32

約数和(自身を含む): 32489856

約数和(自身を除く): 12651022

約数列:

[1, 2, 23, 41, 46, 67, 82, 134, 157, 314, 943, 1541, 1886, 2747, 3082, 3611, 5494, 6437, 7222, 10519, 12874, 21038, 63181, 126362, 148051, 241937, 296102, 431279, 483874, 862558, 9919417, 19838834]

約数ペア:

[(1, 19838834), (2, 9919417), (23, 862558), (41, 483874), (46, 431279), (67, 296102), (82, 241937), (134, 148051), (157, 126362), (314, 63181), (943, 21038), (1541, 12874), (1886, 10519), (2747, 7222), (3082, 6437), (3611, 5494)]