19681140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{11311}}^1$

素因数の和:11352

約数の個数: 48

約数和(自身を含む): 57012480

約数和(自身を除く): 37331340

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 29, 30, 58, 60, 87, 116, 145, 174, 290, 348, 435, 580, 870, 1740, 11311, 22622, 33933, 45244, 56555, 67866, 113110, 135732, 169665, 226220, 328019, 339330, 656038, 678660, 984057, 1312076, 1640095, 1968114, 3280190, 3936228, 4920285, 6560380, 9840570, 19681140]

約数ペア:

[(1, 19681140), (2, 9840570), (3, 6560380), (4, 4920285), (5, 3936228), (6, 3280190), (10, 1968114), (12, 1640095), (15, 1312076), (20, 984057), (29, 678660), (30, 656038), (58, 339330), (60, 328019), (87, 226220), (116, 169665), (145, 135732), (174, 113110), (290, 67866), (348, 56555), (435, 45244), (580, 33933), (870, 22622), (1740, 11311)]