18517212

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{197}}^1\times {\mathrm{373}}^1$

素因数の和:587

約数の個数: 72

約数和(自身を含む): 53909856

約数和(自身を除く): 35392644

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 197, 252, 373, 394, 591, 746, 788, 1119, 1182, 1379, 1492, 1773, 2238, 2364, 2611, 2758, 3357, 3546, 4137, 4476, 5222, 5516, 6714, 7092, 7833, 8274, 10444, 12411, 13428, 15666, 16548, 23499, 24822, 31332, 46998, 49644, 73481, 93996, 146962, 220443, 293924, 440886, 514367, 661329, 881772, 1028734, 1322658, 1543101, 2057468, 2645316, 3086202, 4629303, 6172404, 9258606, 18517212]

約数ペア:

[(1, 18517212), (2, 9258606), (3, 6172404), (4, 4629303), (6, 3086202), (7, 2645316), (9, 2057468), (12, 1543101), (14, 1322658), (18, 1028734), (21, 881772), (28, 661329), (36, 514367), (42, 440886), (63, 293924), (84, 220443), (126, 146962), (197, 93996), (252, 73481), (373, 49644), (394, 46998), (591, 31332), (746, 24822), (788, 23499), (1119, 16548), (1182, 15666), (1379, 13428), (1492, 12411), (1773, 10444), (2238, 8274), (2364, 7833), (2611, 7092), (2758, 6714), (3357, 5516), (3546, 5222), (4137, 4476)]