19983621

素因数分解:

$3^1\times 7^2\times {\mathrm{67}}^1\times {\mathrm{2029}}^1$

素因数の和:2113

約数の個数: 24

約数和(自身を含む): 31473120

約数和(自身を除く): 11489499

約数列:

[1, 3, 7, 21, 49, 67, 147, 201, 469, 1407, 2029, 3283, 6087, 9849, 14203, 42609, 99421, 135943, 298263, 407829, 951601, 2854803, 6661207, 19983621]

約数ペア:

[(1, 19983621), (3, 6661207), (7, 2854803), (21, 951601), (49, 407829), (67, 298263), (147, 135943), (201, 99421), (469, 42609), (1407, 14203), (2029, 9849), (3283, 6087)]