19381012

素因数分解:

$2^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{9749}}^1$

素因数の和:9831

約数の個数: 24

約数和(自身を含む): 39312000

約数和(自身を除く): 19930988

約数列:

[1, 2, 4, 7, 14, 28, 71, 142, 284, 497, 994, 1988, 9749, 19498, 38996, 68243, 136486, 272972, 692179, 1384358, 2768716, 4845253, 9690506, 19381012]

約数ペア:

[(1, 19381012), (2, 9690506), (4, 4845253), (7, 2768716), (14, 1384358), (28, 692179), (71, 272972), (142, 136486), (284, 68243), (497, 38996), (994, 19498), (1988, 9749)]