19405386

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{359}}^1$

素因数の和:401

約数の個数: 128

約数和(自身を含む): 58060800

約数和(自身を除く): 38655414

約数列:

[1, 2, 3, 6, 7, 9, 11, 13, 14, 18, 21, 22, 26, 27, 33, 39, 42, 54, 63, 66, 77, 78, 91, 99, 117, 126, 143, 154, 182, 189, 198, 231, 234, 273, 286, 297, 351, 359, 378, 429, 462, 546, 594, 693, 702, 718, 819, 858, 1001, 1077, 1287, 1386, 1638, 2002, 2079, 2154, 2457, 2513, 2574, 3003, 3231, 3861, 3949, 4158, 4667, 4914, 5026, 6006, 6462, 7539, 7722, 7898, 9009, 9334, 9693, 11847, 14001, 15078, 18018, 19386, 22617, 23694, 27027, 27643, 28002, 32669, 35541, 42003, 45234, 51337, 54054, 55286, 65338, 67851, 71082, 82929, 84006, 98007, 102674, 106623, 126009, 135702, 154011, 165858, 196014, 213246, 248787, 252018, 294021, 308022, 359359, 462033, 497574, 588042, 718718, 746361, 882063, 924066, 1078077, 1386099, 1492722, 1764126, 2156154, 2772198, 3234231, 6468462, 9702693, 19405386]

約数ペア:

[(1, 19405386), (2, 9702693), (3, 6468462), (6, 3234231), (7, 2772198), (9, 2156154), (11, 1764126), (13, 1492722), (14, 1386099), (18, 1078077), (21, 924066), (22, 882063), (26, 746361), (27, 718718), (33, 588042), (39, 497574), (42, 462033), (54, 359359), (63, 308022), (66, 294021), (77, 252018), (78, 248787), (91, 213246), (99, 196014), (117, 165858), (126, 154011), (143, 135702), (154, 126009), (182, 106623), (189, 102674), (198, 98007), (231, 84006), (234, 82929), (273, 71082), (286, 67851), (297, 65338), (351, 55286), (359, 54054), (378, 51337), (429, 45234), (462, 42003), (546, 35541), (594, 32669), (693, 28002), (702, 27643), (718, 27027), (819, 23694), (858, 22617), (1001, 19386), (1077, 18018), (1287, 15078), (1386, 14001), (1638, 11847), (2002, 9693), (2079, 9334), (2154, 9009), (2457, 7898), (2513, 7722), (2574, 7539), (3003, 6462), (3231, 6006), (3861, 5026), (3949, 4914), (4158, 4667)]