19182704

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{709}}^1$

素因数の和:825

約数の個数: 40

約数和(自身を含む): 39618000

約数和(自身を除く): 20435296

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 89, 152, 178, 304, 356, 709, 712, 1418, 1424, 1691, 2836, 3382, 5672, 6764, 11344, 13471, 13528, 26942, 27056, 53884, 63101, 107768, 126202, 215536, 252404, 504808, 1009616, 1198919, 2397838, 4795676, 9591352, 19182704]

約数ペア:

[(1, 19182704), (2, 9591352), (4, 4795676), (8, 2397838), (16, 1198919), (19, 1009616), (38, 504808), (76, 252404), (89, 215536), (152, 126202), (178, 107768), (304, 63101), (356, 53884), (709, 27056), (712, 26942), (1418, 13528), (1424, 13471), (1691, 11344), (2836, 6764), (3382, 5672)]