19689852

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{73}}^1$

素因数の和:132

約数の個数: 144

約数和(自身を含む): 60668160

約数和(自身を除く): 40978308

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 19, 21, 26, 28, 38, 39, 42, 52, 57, 73, 76, 78, 84, 91, 114, 133, 146, 156, 169, 182, 219, 228, 247, 266, 273, 292, 338, 364, 399, 438, 494, 507, 511, 532, 546, 676, 741, 798, 876, 949, 988, 1014, 1022, 1092, 1183, 1387, 1482, 1533, 1596, 1729, 1898, 2028, 2044, 2366, 2774, 2847, 2964, 3066, 3211, 3458, 3549, 3796, 4161, 4732, 5187, 5548, 5694, 6132, 6422, 6643, 6916, 7098, 8322, 9633, 9709, 10374, 11388, 12337, 12844, 13286, 14196, 16644, 18031, 19266, 19418, 19929, 20748, 22477, 24674, 26572, 29127, 36062, 37011, 38532, 38836, 39858, 44954, 49348, 54093, 58254, 67431, 72124, 74022, 79716, 86359, 89908, 108186, 116508, 126217, 134862, 148044, 172718, 216372, 234403, 252434, 259077, 269724, 345436, 378651, 468806, 504868, 518154, 703209, 757302, 937612, 1036308, 1406418, 1514604, 1640821, 2812836, 3281642, 4922463, 6563284, 9844926, 19689852]

約数ペア:

[(1, 19689852), (2, 9844926), (3, 6563284), (4, 4922463), (6, 3281642), (7, 2812836), (12, 1640821), (13, 1514604), (14, 1406418), (19, 1036308), (21, 937612), (26, 757302), (28, 703209), (38, 518154), (39, 504868), (42, 468806), (52, 378651), (57, 345436), (73, 269724), (76, 259077), (78, 252434), (84, 234403), (91, 216372), (114, 172718), (133, 148044), (146, 134862), (156, 126217), (169, 116508), (182, 108186), (219, 89908), (228, 86359), (247, 79716), (266, 74022), (273, 72124), (292, 67431), (338, 58254), (364, 54093), (399, 49348), (438, 44954), (494, 39858), (507, 38836), (511, 38532), (532, 37011), (546, 36062), (676, 29127), (741, 26572), (798, 24674), (876, 22477), (949, 20748), (988, 19929), (1014, 19418), (1022, 19266), (1092, 18031), (1183, 16644), (1387, 14196), (1482, 13286), (1533, 12844), (1596, 12337), (1729, 11388), (1898, 10374), (2028, 9709), (2044, 9633), (2366, 8322), (2774, 7098), (2847, 6916), (2964, 6643), (3066, 6422), (3211, 6132), (3458, 5694), (3549, 5548), (3796, 5187), (4161, 4732)]