19738908

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1$

素因数の和:156

約数の個数: 144

約数和(自身を含む): 61414080

約数和(自身を除く): 41675172

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 29, 36, 37, 42, 58, 63, 73, 74, 84, 87, 111, 116, 126, 146, 148, 174, 203, 219, 222, 252, 259, 261, 292, 333, 348, 406, 438, 444, 511, 518, 522, 609, 657, 666, 777, 812, 876, 1022, 1036, 1044, 1073, 1218, 1314, 1332, 1533, 1554, 1827, 2044, 2117, 2146, 2331, 2436, 2628, 2701, 3066, 3108, 3219, 3654, 4234, 4292, 4599, 4662, 5402, 6132, 6351, 6438, 7308, 7511, 8103, 8468, 9198, 9324, 9657, 10804, 12702, 12876, 14819, 15022, 16206, 18396, 18907, 19053, 19314, 22533, 24309, 25404, 29638, 30044, 32412, 37814, 38106, 38628, 44457, 45066, 48618, 56721, 59276, 67599, 75628, 76212, 78329, 88914, 90132, 97236, 113442, 133371, 135198, 156658, 170163, 177828, 226884, 234987, 266742, 270396, 313316, 340326, 469974, 533484, 548303, 680652, 704961, 939948, 1096606, 1409922, 1644909, 2193212, 2819844, 3289818, 4934727, 6579636, 9869454, 19738908]

約数ペア:

[(1, 19738908), (2, 9869454), (3, 6579636), (4, 4934727), (6, 3289818), (7, 2819844), (9, 2193212), (12, 1644909), (14, 1409922), (18, 1096606), (21, 939948), (28, 704961), (29, 680652), (36, 548303), (37, 533484), (42, 469974), (58, 340326), (63, 313316), (73, 270396), (74, 266742), (84, 234987), (87, 226884), (111, 177828), (116, 170163), (126, 156658), (146, 135198), (148, 133371), (174, 113442), (203, 97236), (219, 90132), (222, 88914), (252, 78329), (259, 76212), (261, 75628), (292, 67599), (333, 59276), (348, 56721), (406, 48618), (438, 45066), (444, 44457), (511, 38628), (518, 38106), (522, 37814), (609, 32412), (657, 30044), (666, 29638), (777, 25404), (812, 24309), (876, 22533), (1022, 19314), (1036, 19053), (1044, 18907), (1073, 18396), (1218, 16206), (1314, 15022), (1332, 14819), (1533, 12876), (1554, 12702), (1827, 10804), (2044, 9657), (2117, 9324), (2146, 9198), (2331, 8468), (2436, 8103), (2628, 7511), (2701, 7308), (3066, 6438), (3108, 6351), (3219, 6132), (3654, 5402), (4234, 4662), (4292, 4599)]