18761022

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{89}}^1\times {\mathrm{239}}^1$

素因数の和:350

約数の個数: 72

約数和(自身を含む): 48016800

約数和(自身を除く): 29255778

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 63, 89, 98, 126, 147, 178, 239, 267, 294, 441, 478, 534, 623, 717, 801, 882, 1246, 1434, 1602, 1673, 1869, 2151, 3346, 3738, 4302, 4361, 5019, 5607, 8722, 10038, 11214, 11711, 13083, 15057, 21271, 23422, 26166, 30114, 35133, 39249, 42542, 63813, 70266, 78498, 105399, 127626, 148897, 191439, 210798, 297794, 382878, 446691, 893382, 1042279, 1340073, 2084558, 2680146, 3126837, 6253674, 9380511, 18761022]

約数ペア:

[(1, 18761022), (2, 9380511), (3, 6253674), (6, 3126837), (7, 2680146), (9, 2084558), (14, 1340073), (18, 1042279), (21, 893382), (42, 446691), (49, 382878), (63, 297794), (89, 210798), (98, 191439), (126, 148897), (147, 127626), (178, 105399), (239, 78498), (267, 70266), (294, 63813), (441, 42542), (478, 39249), (534, 35133), (623, 30114), (717, 26166), (801, 23422), (882, 21271), (1246, 15057), (1434, 13083), (1602, 11711), (1673, 11214), (1869, 10038), (2151, 8722), (3346, 5607), (3738, 5019), (4302, 4361)]