18769520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{277}}^1$

素因数の和:319

約数の個数: 120

約数和(自身を含む): 55017312

約数和(自身を除く): 36247792

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 80, 88, 110, 112, 121, 140, 154, 176, 220, 242, 277, 280, 308, 385, 440, 484, 554, 560, 605, 616, 770, 847, 880, 968, 1108, 1210, 1232, 1385, 1540, 1694, 1936, 1939, 2216, 2420, 2770, 3047, 3080, 3388, 3878, 4235, 4432, 4840, 5540, 6094, 6160, 6776, 7756, 8470, 9680, 9695, 11080, 12188, 13552, 15235, 15512, 16940, 19390, 21329, 22160, 24376, 30470, 31024, 33517, 33880, 38780, 42658, 48752, 60940, 67034, 67760, 77560, 85316, 106645, 121880, 134068, 155120, 167585, 170632, 213290, 234619, 243760, 268136, 335170, 341264, 426580, 469238, 536272, 670340, 853160, 938476, 1173095, 1340680, 1706320, 1876952, 2346190, 2681360, 3753904, 4692380, 9384760, 18769520]

約数ペア:

[(1, 18769520), (2, 9384760), (4, 4692380), (5, 3753904), (7, 2681360), (8, 2346190), (10, 1876952), (11, 1706320), (14, 1340680), (16, 1173095), (20, 938476), (22, 853160), (28, 670340), (35, 536272), (40, 469238), (44, 426580), (55, 341264), (56, 335170), (70, 268136), (77, 243760), (80, 234619), (88, 213290), (110, 170632), (112, 167585), (121, 155120), (140, 134068), (154, 121880), (176, 106645), (220, 85316), (242, 77560), (277, 67760), (280, 67034), (308, 60940), (385, 48752), (440, 42658), (484, 38780), (554, 33880), (560, 33517), (605, 31024), (616, 30470), (770, 24376), (847, 22160), (880, 21329), (968, 19390), (1108, 16940), (1210, 15512), (1232, 15235), (1385, 13552), (1540, 12188), (1694, 11080), (1936, 9695), (1939, 9680), (2216, 8470), (2420, 7756), (2770, 6776), (3047, 6160), (3080, 6094), (3388, 5540), (3878, 4840), (4235, 4432)]