19010740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{251}}^1\times {\mathrm{541}}^1$

素因数の和:808

約数の個数: 48

約数和(自身を含む): 45892224

約数和(自身を除く): 26881484

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 251, 502, 541, 1004, 1082, 1255, 1757, 2164, 2510, 2705, 3514, 3787, 5020, 5410, 7028, 7574, 8785, 10820, 15148, 17570, 18935, 35140, 37870, 75740, 135791, 271582, 543164, 678955, 950537, 1357910, 1901074, 2715820, 3802148, 4752685, 9505370, 19010740]

約数ペア:

[(1, 19010740), (2, 9505370), (4, 4752685), (5, 3802148), (7, 2715820), (10, 1901074), (14, 1357910), (20, 950537), (28, 678955), (35, 543164), (70, 271582), (140, 135791), (251, 75740), (502, 37870), (541, 35140), (1004, 18935), (1082, 17570), (1255, 15148), (1757, 10820), (2164, 8785), (2510, 7574), (2705, 7028), (3514, 5410), (3787, 5020)]