18381440

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{373}}^1$

素因数の和:410

約数の個数: 128

約数和(自身を含む): 54933120

約数和(自身を除く): 36551680

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 55, 56, 64, 70, 77, 80, 88, 110, 112, 128, 140, 154, 160, 176, 220, 224, 280, 308, 320, 352, 373, 385, 440, 448, 560, 616, 640, 704, 746, 770, 880, 896, 1120, 1232, 1408, 1492, 1540, 1760, 1865, 2240, 2464, 2611, 2984, 3080, 3520, 3730, 4103, 4480, 4928, 5222, 5968, 6160, 7040, 7460, 8206, 9856, 10444, 11936, 12320, 13055, 14920, 16412, 20515, 20888, 23872, 24640, 26110, 28721, 29840, 32824, 41030, 41776, 47744, 49280, 52220, 57442, 59680, 65648, 82060, 83552, 104440, 114884, 119360, 131296, 143605, 164120, 167104, 208880, 229768, 238720, 262592, 287210, 328240, 334208, 417760, 459536, 525184, 574420, 656480, 835520, 919072, 1148840, 1312960, 1671040, 1838144, 2297680, 2625920, 3676288, 4595360, 9190720, 18381440]

約数ペア:

[(1, 18381440), (2, 9190720), (4, 4595360), (5, 3676288), (7, 2625920), (8, 2297680), (10, 1838144), (11, 1671040), (14, 1312960), (16, 1148840), (20, 919072), (22, 835520), (28, 656480), (32, 574420), (35, 525184), (40, 459536), (44, 417760), (55, 334208), (56, 328240), (64, 287210), (70, 262592), (77, 238720), (80, 229768), (88, 208880), (110, 167104), (112, 164120), (128, 143605), (140, 131296), (154, 119360), (160, 114884), (176, 104440), (220, 83552), (224, 82060), (280, 65648), (308, 59680), (320, 57442), (352, 52220), (373, 49280), (385, 47744), (440, 41776), (448, 41030), (560, 32824), (616, 29840), (640, 28721), (704, 26110), (746, 24640), (770, 23872), (880, 20888), (896, 20515), (1120, 16412), (1232, 14920), (1408, 13055), (1492, 12320), (1540, 11936), (1760, 10444), (1865, 9856), (2240, 8206), (2464, 7460), (2611, 7040), (2984, 6160), (3080, 5968), (3520, 5222), (3730, 4928), (4103, 4480)]