19357660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{37}}^2\times {\mathrm{101}}^1$

素因数の和:191

約数の個数: 72

約数和(自身を含む): 48220704

約数和(自身を除く): 28863044

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 70, 74, 101, 140, 148, 185, 202, 259, 370, 404, 505, 518, 707, 740, 1010, 1036, 1295, 1369, 1414, 2020, 2590, 2738, 2828, 3535, 3737, 5180, 5476, 6845, 7070, 7474, 9583, 13690, 14140, 14948, 18685, 19166, 26159, 27380, 37370, 38332, 47915, 52318, 74740, 95830, 104636, 130795, 138269, 191660, 261590, 276538, 523180, 553076, 691345, 967883, 1382690, 1935766, 2765380, 3871532, 4839415, 9678830, 19357660]

約数ペア:

[(1, 19357660), (2, 9678830), (4, 4839415), (5, 3871532), (7, 2765380), (10, 1935766), (14, 1382690), (20, 967883), (28, 691345), (35, 553076), (37, 523180), (70, 276538), (74, 261590), (101, 191660), (140, 138269), (148, 130795), (185, 104636), (202, 95830), (259, 74740), (370, 52318), (404, 47915), (505, 38332), (518, 37370), (707, 27380), (740, 26159), (1010, 19166), (1036, 18685), (1295, 14948), (1369, 14140), (1414, 13690), (2020, 9583), (2590, 7474), (2738, 7070), (2828, 6845), (3535, 5476), (3737, 5180)]