19848656

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{72973}}^1$

素因数の和:72998

約数の個数: 20

約数和(自身を含む): 40719492

約数和(自身を除く): 20870836

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 72973, 145946, 291892, 583784, 1167568, 1240541, 2481082, 4962164, 9924328, 19848656]

約数ペア:

[(1, 19848656), (2, 9924328), (4, 4962164), (8, 2481082), (16, 1240541), (17, 1167568), (34, 583784), (68, 291892), (136, 145946), (272, 72973)]