18984888

素因数分解:

$2^3\times 3^3\times {\mathrm{13}}^1\times {\mathrm{6761}}^1$

素因数の和:6789

約数の個数: 64

約数和(自身を含む): 56800800

約数和(自身を除く): 37815912

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 27, 36, 39, 52, 54, 72, 78, 104, 108, 117, 156, 216, 234, 312, 351, 468, 702, 936, 1404, 2808, 6761, 13522, 20283, 27044, 40566, 54088, 60849, 81132, 87893, 121698, 162264, 175786, 182547, 243396, 263679, 351572, 365094, 486792, 527358, 703144, 730188, 791037, 1054716, 1460376, 1582074, 2109432, 2373111, 3164148, 4746222, 6328296, 9492444, 18984888]

約数ペア:

[(1, 18984888), (2, 9492444), (3, 6328296), (4, 4746222), (6, 3164148), (8, 2373111), (9, 2109432), (12, 1582074), (13, 1460376), (18, 1054716), (24, 791037), (26, 730188), (27, 703144), (36, 527358), (39, 486792), (52, 365094), (54, 351572), (72, 263679), (78, 243396), (104, 182547), (108, 175786), (117, 162264), (156, 121698), (216, 87893), (234, 81132), (312, 60849), (351, 54088), (468, 40566), (702, 27044), (936, 20283), (1404, 13522), (2808, 6761)]