18404432

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{109}}^1\times {\mathrm{173}}^1$

素因数の和:351

約数の個数: 40

約数和(自身を含む): 36787080

約数和(自身を除く): 18382648

約数列:

[1, 2, 4, 8, 16, 61, 109, 122, 173, 218, 244, 346, 436, 488, 692, 872, 976, 1384, 1744, 2768, 6649, 10553, 13298, 18857, 21106, 26596, 37714, 42212, 53192, 75428, 84424, 106384, 150856, 168848, 301712, 1150277, 2300554, 4601108, 9202216, 18404432]

約数ペア:

[(1, 18404432), (2, 9202216), (4, 4601108), (8, 2300554), (16, 1150277), (61, 301712), (109, 168848), (122, 150856), (173, 106384), (218, 84424), (244, 75428), (346, 53192), (436, 42212), (488, 37714), (692, 26596), (872, 21106), (976, 18857), (1384, 13298), (1744, 10553), (2768, 6649)]