18971858

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{7607}}^1$

素因数の和:7681

約数の個数: 16

約数和(自身を含む): 30127680

約数和(自身を除く): 11155822

約数列:

[1, 2, 29, 43, 58, 86, 1247, 2494, 7607, 15214, 220603, 327101, 441206, 654202, 9485929, 18971858]

約数ペア:

[(1, 18971858), (2, 9485929), (29, 654202), (43, 441206), (58, 327101), (86, 220603), (1247, 15214), (2494, 7607)]