18173316

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{997}}^1$

素因数の和:1049

約数の個数: 72

約数和(自身を含む): 50969856

約数和(自身を除く): 32796540

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 31, 42, 49, 62, 84, 93, 98, 124, 147, 186, 196, 217, 294, 372, 434, 588, 651, 868, 997, 1302, 1519, 1994, 2604, 2991, 3038, 3988, 4557, 5982, 6076, 6979, 9114, 11964, 13958, 18228, 20937, 27916, 30907, 41874, 48853, 61814, 83748, 92721, 97706, 123628, 146559, 185442, 195412, 216349, 293118, 370884, 432698, 586236, 649047, 865396, 1298094, 1514443, 2596188, 3028886, 4543329, 6057772, 9086658, 18173316]

約数ペア:

[(1, 18173316), (2, 9086658), (3, 6057772), (4, 4543329), (6, 3028886), (7, 2596188), (12, 1514443), (14, 1298094), (21, 865396), (28, 649047), (31, 586236), (42, 432698), (49, 370884), (62, 293118), (84, 216349), (93, 195412), (98, 185442), (124, 146559), (147, 123628), (186, 97706), (196, 92721), (217, 83748), (294, 61814), (372, 48853), (434, 41874), (588, 30907), (651, 27916), (868, 20937), (997, 18228), (1302, 13958), (1519, 11964), (1994, 9114), (2604, 6979), (2991, 6076), (3038, 5982), (3988, 4557)]