19385920

素因数分解:

$2^6\times 5^1\times {\mathrm{29}}^1\times {\mathrm{2089}}^1$

素因数の和:2135

約数の個数: 56

約数和(自身を含む): 47777400

約数和(自身を除く): 28391480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 64, 80, 116, 145, 160, 232, 290, 320, 464, 580, 928, 1160, 1856, 2089, 2320, 4178, 4640, 8356, 9280, 10445, 16712, 20890, 33424, 41780, 60581, 66848, 83560, 121162, 133696, 167120, 242324, 302905, 334240, 484648, 605810, 668480, 969296, 1211620, 1938592, 2423240, 3877184, 4846480, 9692960, 19385920]

約数ペア:

[(1, 19385920), (2, 9692960), (4, 4846480), (5, 3877184), (8, 2423240), (10, 1938592), (16, 1211620), (20, 969296), (29, 668480), (32, 605810), (40, 484648), (58, 334240), (64, 302905), (80, 242324), (116, 167120), (145, 133696), (160, 121162), (232, 83560), (290, 66848), (320, 60581), (464, 41780), (580, 33424), (928, 20890), (1160, 16712), (1856, 10445), (2089, 9280), (2320, 8356), (4178, 4640)]