18511640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{3889}}^1$

素因数の和:3924

約数の個数: 64

約数和(自身を含む): 50414400

約数和(自身を除く): 31902760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 56, 68, 70, 85, 119, 136, 140, 170, 238, 280, 340, 476, 595, 680, 952, 1190, 2380, 3889, 4760, 7778, 15556, 19445, 27223, 31112, 38890, 54446, 66113, 77780, 108892, 132226, 136115, 155560, 217784, 264452, 272230, 330565, 462791, 528904, 544460, 661130, 925582, 1088920, 1322260, 1851164, 2313955, 2644520, 3702328, 4627910, 9255820, 18511640]

約数ペア:

[(1, 18511640), (2, 9255820), (4, 4627910), (5, 3702328), (7, 2644520), (8, 2313955), (10, 1851164), (14, 1322260), (17, 1088920), (20, 925582), (28, 661130), (34, 544460), (35, 528904), (40, 462791), (56, 330565), (68, 272230), (70, 264452), (85, 217784), (119, 155560), (136, 136115), (140, 132226), (170, 108892), (238, 77780), (280, 66113), (340, 54446), (476, 38890), (595, 31112), (680, 27223), (952, 19445), (1190, 15556), (2380, 7778), (3889, 4760)]