18643212

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{167}}^1\times {\mathrm{443}}^1$

素因数の和:627

約数の個数: 72

約数和(自身を含む): 54302976

約数和(自身を除く): 35659764

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 167, 252, 334, 443, 501, 668, 886, 1002, 1169, 1329, 1503, 1772, 2004, 2338, 2658, 3006, 3101, 3507, 3987, 4676, 5316, 6012, 6202, 7014, 7974, 9303, 10521, 12404, 14028, 15948, 18606, 21042, 27909, 37212, 42084, 55818, 73981, 111636, 147962, 221943, 295924, 443886, 517867, 665829, 887772, 1035734, 1331658, 1553601, 2071468, 2663316, 3107202, 4660803, 6214404, 9321606, 18643212]

約数ペア:

[(1, 18643212), (2, 9321606), (3, 6214404), (4, 4660803), (6, 3107202), (7, 2663316), (9, 2071468), (12, 1553601), (14, 1331658), (18, 1035734), (21, 887772), (28, 665829), (36, 517867), (42, 443886), (63, 295924), (84, 221943), (126, 147962), (167, 111636), (252, 73981), (334, 55818), (443, 42084), (501, 37212), (668, 27909), (886, 21042), (1002, 18606), (1169, 15948), (1329, 14028), (1503, 12404), (1772, 10521), (2004, 9303), (2338, 7974), (2658, 7014), (3006, 6202), (3101, 6012), (3507, 5316), (3987, 4676)]