19922986

素因数分解:

$2^1\times {\mathrm{67}}^1\times {\mathrm{157}}^1\times {\mathrm{947}}^1$

素因数の和:1173

約数の個数: 16

約数和(自身を含む): 30555936

約数和(自身を除く): 10632950

約数列:

[1, 2, 67, 134, 157, 314, 947, 1894, 10519, 21038, 63449, 126898, 148679, 297358, 9961493, 19922986]

約数ペア:

[(1, 19922986), (2, 9961493), (67, 297358), (134, 148679), (157, 126898), (314, 63449), (947, 21038), (1894, 10519)]