18953648

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{103}}^1$

素因数の和:202

約数の個数: 80

約数和(自身を含む): 44568576

約数和(自身を除く): 25614928

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 53, 56, 62, 103, 106, 112, 124, 206, 212, 217, 248, 371, 412, 424, 434, 496, 721, 742, 824, 848, 868, 1442, 1484, 1643, 1648, 1736, 2884, 2968, 3193, 3286, 3472, 5459, 5768, 5936, 6386, 6572, 10918, 11501, 11536, 12772, 13144, 21836, 22351, 23002, 25544, 26288, 38213, 43672, 44702, 46004, 51088, 76426, 87344, 89404, 92008, 152852, 169229, 178808, 184016, 305704, 338458, 357616, 611408, 676916, 1184603, 1353832, 2369206, 2707664, 4738412, 9476824, 18953648]

約数ペア:

[(1, 18953648), (2, 9476824), (4, 4738412), (7, 2707664), (8, 2369206), (14, 1353832), (16, 1184603), (28, 676916), (31, 611408), (53, 357616), (56, 338458), (62, 305704), (103, 184016), (106, 178808), (112, 169229), (124, 152852), (206, 92008), (212, 89404), (217, 87344), (248, 76426), (371, 51088), (412, 46004), (424, 44702), (434, 43672), (496, 38213), (721, 26288), (742, 25544), (824, 23002), (848, 22351), (868, 21836), (1442, 13144), (1484, 12772), (1643, 11536), (1648, 11501), (1736, 10918), (2884, 6572), (2968, 6386), (3193, 5936), (3286, 5768), (3472, 5459)]