18300940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{3533}}^1$

素因数の和:3586

約数の個数: 48

約数和(自身を含む): 45122112

約数和(自身を除く): 26821172

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 70, 74, 140, 148, 185, 259, 370, 518, 740, 1036, 1295, 2590, 3533, 5180, 7066, 14132, 17665, 24731, 35330, 49462, 70660, 98924, 123655, 130721, 247310, 261442, 494620, 522884, 653605, 915047, 1307210, 1830094, 2614420, 3660188, 4575235, 9150470, 18300940]

約数ペア:

[(1, 18300940), (2, 9150470), (4, 4575235), (5, 3660188), (7, 2614420), (10, 1830094), (14, 1307210), (20, 915047), (28, 653605), (35, 522884), (37, 494620), (70, 261442), (74, 247310), (140, 130721), (148, 123655), (185, 98924), (259, 70660), (370, 49462), (518, 35330), (740, 24731), (1036, 17665), (1295, 14132), (2590, 7066), (3533, 5180)]