19615661905

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{2137}}^1\times {\mathrm{15427}}^1$

素因数の和:17593

約数の個数: 32

約数和(自身を含む): 28499095296

約数和(自身を除く): 8883433391

約数列:

[1, 5, 7, 17, 35, 85, 119, 595, 2137, 10685, 14959, 15427, 36329, 74795, 77135, 107989, 181645, 254303, 262259, 539945, 1271515, 1311295, 1835813, 9179065, 32967499, 164837495, 230772493, 560447483, 1153862465, 2802237415, 3923132381, 19615661905]

約数ペア:

[(1, 19615661905), (5, 3923132381), (7, 2802237415), (17, 1153862465), (35, 560447483), (85, 230772493), (119, 164837495), (595, 32967499), (2137, 9179065), (10685, 1835813), (14959, 1311295), (15427, 1271515), (36329, 539945), (74795, 262259), (77135, 254303), (107989, 181645)]