19998954

素因数分解:

$2^1\times 3^3\times {\mathrm{179}}^1\times {\mathrm{2069}}^1$

素因数の和:2259

約数の個数: 32

約数和(自身を含む): 44712000

約数和(自身を除く): 24713046

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 179, 358, 537, 1074, 1611, 2069, 3222, 4138, 4833, 6207, 9666, 12414, 18621, 37242, 55863, 111726, 370351, 740702, 1111053, 2222106, 3333159, 6666318, 9999477, 19998954]

約数ペア:

[(1, 19998954), (2, 9999477), (3, 6666318), (6, 3333159), (9, 2222106), (18, 1111053), (27, 740702), (54, 370351), (179, 111726), (358, 55863), (537, 37242), (1074, 18621), (1611, 12414), (2069, 9666), (3222, 6207), (4138, 4833)]