18885622

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{659}}^1$

素因数の和:780

約数の個数: 32

約数和(自身を含む): 34214400

約数和(自身を除く): 15328778

約数列:

[1, 2, 7, 14, 23, 46, 89, 161, 178, 322, 623, 659, 1246, 1318, 2047, 4094, 4613, 9226, 14329, 15157, 28658, 30314, 58651, 106099, 117302, 212198, 410557, 821114, 1348973, 2697946, 9442811, 18885622]

約数ペア:

[(1, 18885622), (2, 9442811), (7, 2697946), (14, 1348973), (23, 821114), (46, 410557), (89, 212198), (161, 117302), (178, 106099), (322, 58651), (623, 30314), (659, 28658), (1246, 15157), (1318, 14329), (2047, 9226), (4094, 4613)]