18591020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{37}}^2\times {\mathrm{97}}^1$

素因数の和:187

約数の個数: 72

約数和(自身を含む): 46329696

約数和(自身を除く): 27738676

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 70, 74, 97, 140, 148, 185, 194, 259, 370, 388, 485, 518, 679, 740, 970, 1036, 1295, 1358, 1369, 1940, 2590, 2716, 2738, 3395, 3589, 5180, 5476, 6790, 6845, 7178, 9583, 13580, 13690, 14356, 17945, 19166, 25123, 27380, 35890, 38332, 47915, 50246, 71780, 95830, 100492, 125615, 132793, 191660, 251230, 265586, 502460, 531172, 663965, 929551, 1327930, 1859102, 2655860, 3718204, 4647755, 9295510, 18591020]

約数ペア:

[(1, 18591020), (2, 9295510), (4, 4647755), (5, 3718204), (7, 2655860), (10, 1859102), (14, 1327930), (20, 929551), (28, 663965), (35, 531172), (37, 502460), (70, 265586), (74, 251230), (97, 191660), (140, 132793), (148, 125615), (185, 100492), (194, 95830), (259, 71780), (370, 50246), (388, 47915), (485, 38332), (518, 35890), (679, 27380), (740, 25123), (970, 19166), (1036, 17945), (1295, 14356), (1358, 13690), (1369, 13580), (1940, 9583), (2590, 7178), (2716, 6845), (2738, 6790), (3395, 5476), (3589, 5180)]