19910388

素因数分解:

$2^2\times 3^1\times {\mathrm{71}}^1\times {\mathrm{23369}}^1$

素因数の和:23447

約数の個数: 24

約数和(自身を含む): 47113920

約数和(自身を除く): 27203532

約数列:

[1, 2, 3, 4, 6, 12, 71, 142, 213, 284, 426, 852, 23369, 46738, 70107, 93476, 140214, 280428, 1659199, 3318398, 4977597, 6636796, 9955194, 19910388]

約数ペア:

[(1, 19910388), (2, 9955194), (3, 6636796), (4, 4977597), (6, 3318398), (12, 1659199), (71, 280428), (142, 140214), (213, 93476), (284, 70107), (426, 46738), (852, 23369)]