19487736

素因数分解:

$2^3\times 3^3\times {\mathrm{83}}^1\times {\mathrm{1087}}^1$

素因数の和:1185

約数の個数: 64

約数和(自身を含む): 54835200

約数和(自身を除く): 35347464

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 83, 108, 166, 216, 249, 332, 498, 664, 747, 996, 1087, 1494, 1992, 2174, 2241, 2988, 3261, 4348, 4482, 5976, 6522, 8696, 8964, 9783, 13044, 17928, 19566, 26088, 29349, 39132, 58698, 78264, 90221, 117396, 180442, 234792, 270663, 360884, 541326, 721768, 811989, 1082652, 1623978, 2165304, 2435967, 3247956, 4871934, 6495912, 9743868, 19487736]

約数ペア:

[(1, 19487736), (2, 9743868), (3, 6495912), (4, 4871934), (6, 3247956), (8, 2435967), (9, 2165304), (12, 1623978), (18, 1082652), (24, 811989), (27, 721768), (36, 541326), (54, 360884), (72, 270663), (83, 234792), (108, 180442), (166, 117396), (216, 90221), (249, 78264), (332, 58698), (498, 39132), (664, 29349), (747, 26088), (996, 19566), (1087, 17928), (1494, 13044), (1992, 9783), (2174, 8964), (2241, 8696), (2988, 6522), (3261, 5976), (4348, 4482)]