19480860

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{15461}}^1$

素因数の和:15483

約数の個数: 72

約数和(自身を含む): 67538016

約数和(自身を除く): 48057156

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 15461, 30922, 46383, 61844, 77305, 92766, 108227, 139149, 154610, 185532, 216454, 231915, 278298, 309220, 324681, 432908, 463830, 541135, 556596, 649362, 695745, 927660, 974043, 1082270, 1298724, 1391490, 1623405, 1948086, 2164540, 2782980, 3246810, 3896172, 4870215, 6493620, 9740430, 19480860]

約数ペア:

[(1, 19480860), (2, 9740430), (3, 6493620), (4, 4870215), (5, 3896172), (6, 3246810), (7, 2782980), (9, 2164540), (10, 1948086), (12, 1623405), (14, 1391490), (15, 1298724), (18, 1082270), (20, 974043), (21, 927660), (28, 695745), (30, 649362), (35, 556596), (36, 541135), (42, 463830), (45, 432908), (60, 324681), (63, 309220), (70, 278298), (84, 231915), (90, 216454), (105, 185532), (126, 154610), (140, 139149), (180, 108227), (210, 92766), (252, 77305), (315, 61844), (420, 46383), (630, 30922), (1260, 15461)]