18901479856

素因数分解:

$2^4\times 7^1\times {\mathrm{23}}^1\times {\mathrm{739}}^1\times {\mathrm{9929}}^1$

素因数の和:10706

約数の個数: 80

約数和(自身を含む): 43736486400

約数和(自身を除く): 24835006544

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 46, 56, 92, 112, 161, 184, 322, 368, 644, 739, 1288, 1478, 2576, 2956, 5173, 5912, 9929, 10346, 11824, 16997, 19858, 20692, 33994, 39716, 41384, 67988, 69503, 79432, 82768, 118979, 135976, 139006, 158864, 228367, 237958, 271952, 278012, 456734, 475916, 556024, 913468, 951832, 1112048, 1598569, 1826936, 1903664, 3197138, 3653872, 6394276, 7337531, 12788552, 14675062, 25577104, 29350124, 51362717, 58700248, 102725434, 117400496, 168763213, 205450868, 337526426, 410901736, 675052852, 821803472, 1181342491, 1350105704, 2362684982, 2700211408, 4725369964, 9450739928, 18901479856]

約数ペア:

[(1, 18901479856), (2, 9450739928), (4, 4725369964), (7, 2700211408), (8, 2362684982), (14, 1350105704), (16, 1181342491), (23, 821803472), (28, 675052852), (46, 410901736), (56, 337526426), (92, 205450868), (112, 168763213), (161, 117400496), (184, 102725434), (322, 58700248), (368, 51362717), (644, 29350124), (739, 25577104), (1288, 14675062), (1478, 12788552), (2576, 7337531), (2956, 6394276), (5173, 3653872), (5912, 3197138), (9929, 1903664), (10346, 1826936), (11824, 1598569), (16997, 1112048), (19858, 951832), (20692, 913468), (33994, 556024), (39716, 475916), (41384, 456734), (67988, 278012), (69503, 271952), (79432, 237958), (82768, 228367), (118979, 158864), (135976, 139006)]