18871086

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{157}}^1$

素因数の和:265

約数の個数: 64

約数和(自身を含む): 43319808

約数和(自身を除く): 24448722

約数列:

[1, 2, 3, 6, 13, 23, 26, 39, 46, 67, 69, 78, 134, 138, 157, 201, 299, 314, 402, 471, 598, 871, 897, 942, 1541, 1742, 1794, 2041, 2613, 3082, 3611, 4082, 4623, 5226, 6123, 7222, 9246, 10519, 10833, 12246, 20033, 21038, 21666, 31557, 40066, 46943, 60099, 63114, 93886, 120198, 136747, 140829, 241937, 273494, 281658, 410241, 483874, 725811, 820482, 1451622, 3145181, 6290362, 9435543, 18871086]

約数ペア:

[(1, 18871086), (2, 9435543), (3, 6290362), (6, 3145181), (13, 1451622), (23, 820482), (26, 725811), (39, 483874), (46, 410241), (67, 281658), (69, 273494), (78, 241937), (134, 140829), (138, 136747), (157, 120198), (201, 93886), (299, 63114), (314, 60099), (402, 46943), (471, 40066), (598, 31557), (871, 21666), (897, 21038), (942, 20033), (1541, 12246), (1742, 10833), (1794, 10519), (2041, 9246), (2613, 7222), (3082, 6123), (3611, 5226), (4082, 4623)]