18051040

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{227}}^1$

素因数の和:320

約数の個数: 96

約数和(自身を含む): 49641984

約数和(自身を除く): 31590944

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 71, 80, 112, 140, 142, 160, 224, 227, 280, 284, 355, 454, 497, 560, 568, 710, 908, 994, 1120, 1135, 1136, 1420, 1589, 1816, 1988, 2270, 2272, 2485, 2840, 3178, 3632, 3976, 4540, 4970, 5680, 6356, 7264, 7945, 7952, 9080, 9940, 11360, 12712, 15890, 15904, 16117, 18160, 19880, 25424, 31780, 32234, 36320, 39760, 50848, 63560, 64468, 79520, 80585, 112819, 127120, 128936, 161170, 225638, 254240, 257872, 322340, 451276, 515744, 564095, 644680, 902552, 1128190, 1289360, 1805104, 2256380, 2578720, 3610208, 4512760, 9025520, 18051040]

約数ペア:

[(1, 18051040), (2, 9025520), (4, 4512760), (5, 3610208), (7, 2578720), (8, 2256380), (10, 1805104), (14, 1289360), (16, 1128190), (20, 902552), (28, 644680), (32, 564095), (35, 515744), (40, 451276), (56, 322340), (70, 257872), (71, 254240), (80, 225638), (112, 161170), (140, 128936), (142, 127120), (160, 112819), (224, 80585), (227, 79520), (280, 64468), (284, 63560), (355, 50848), (454, 39760), (497, 36320), (560, 32234), (568, 31780), (710, 25424), (908, 19880), (994, 18160), (1120, 16117), (1135, 15904), (1136, 15890), (1420, 12712), (1589, 11360), (1816, 9940), (1988, 9080), (2270, 7952), (2272, 7945), (2485, 7264), (2840, 6356), (3178, 5680), (3632, 4970), (3976, 4540)]