19201840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{2017}}^1$

素因数の和:2054

約数の個数: 80

約数和(自身を含む): 54050112

約数和(自身を除く): 34848272

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 34, 35, 40, 56, 68, 70, 80, 85, 112, 119, 136, 140, 170, 238, 272, 280, 340, 476, 560, 595, 680, 952, 1190, 1360, 1904, 2017, 2380, 4034, 4760, 8068, 9520, 10085, 14119, 16136, 20170, 28238, 32272, 34289, 40340, 56476, 68578, 70595, 80680, 112952, 137156, 141190, 161360, 171445, 225904, 240023, 274312, 282380, 342890, 480046, 548624, 564760, 685780, 960092, 1129520, 1200115, 1371560, 1920184, 2400230, 2743120, 3840368, 4800460, 9600920, 19201840]

約数ペア:

[(1, 19201840), (2, 9600920), (4, 4800460), (5, 3840368), (7, 2743120), (8, 2400230), (10, 1920184), (14, 1371560), (16, 1200115), (17, 1129520), (20, 960092), (28, 685780), (34, 564760), (35, 548624), (40, 480046), (56, 342890), (68, 282380), (70, 274312), (80, 240023), (85, 225904), (112, 171445), (119, 161360), (136, 141190), (140, 137156), (170, 112952), (238, 80680), (272, 70595), (280, 68578), (340, 56476), (476, 40340), (560, 34289), (595, 32272), (680, 28238), (952, 20170), (1190, 16136), (1360, 14119), (1904, 10085), (2017, 9520), (2380, 8068), (4034, 4760)]