18980064

素因数分解:

$2^5\times 3^2\times {\mathrm{59}}^1\times {\mathrm{1117}}^1$

素因数の和:1192

約数の個数: 72

約数和(自身を含む): 54938520

約数和(自身を除く): 35958456

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 59, 72, 96, 118, 144, 177, 236, 288, 354, 472, 531, 708, 944, 1062, 1117, 1416, 1888, 2124, 2234, 2832, 3351, 4248, 4468, 5664, 6702, 8496, 8936, 10053, 13404, 16992, 17872, 20106, 26808, 35744, 40212, 53616, 65903, 80424, 107232, 131806, 160848, 197709, 263612, 321696, 395418, 527224, 593127, 790836, 1054448, 1186254, 1581672, 2108896, 2372508, 3163344, 4745016, 6326688, 9490032, 18980064]

約数ペア:

[(1, 18980064), (2, 9490032), (3, 6326688), (4, 4745016), (6, 3163344), (8, 2372508), (9, 2108896), (12, 1581672), (16, 1186254), (18, 1054448), (24, 790836), (32, 593127), (36, 527224), (48, 395418), (59, 321696), (72, 263612), (96, 197709), (118, 160848), (144, 131806), (177, 107232), (236, 80424), (288, 65903), (354, 53616), (472, 40212), (531, 35744), (708, 26808), (944, 20106), (1062, 17872), (1117, 16992), (1416, 13404), (1888, 10053), (2124, 8936), (2234, 8496), (2832, 6702), (3351, 5664), (4248, 4468)]