18889542

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{197}}^1\times {\mathrm{761}}^1$

素因数の和:973

約数の個数: 48

約数和(自身を含む): 47073312

約数和(自身を除く): 28183770

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 197, 394, 591, 761, 1182, 1379, 1522, 1773, 2283, 2758, 3546, 4137, 4566, 5327, 6849, 8274, 10654, 12411, 13698, 15981, 24822, 31962, 47943, 95886, 149917, 299834, 449751, 899502, 1049419, 1349253, 2098838, 2698506, 3148257, 6296514, 9444771, 18889542]

約数ペア:

[(1, 18889542), (2, 9444771), (3, 6296514), (6, 3148257), (7, 2698506), (9, 2098838), (14, 1349253), (18, 1049419), (21, 899502), (42, 449751), (63, 299834), (126, 149917), (197, 95886), (394, 47943), (591, 31962), (761, 24822), (1182, 15981), (1379, 13698), (1522, 12411), (1773, 10654), (2283, 8274), (2758, 6849), (3546, 5327), (4137, 4566)]