19606480

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{12899}}^1$

素因数の和:12931

約数の個数: 40

約数和(自身を含む): 47988000

約数和(自身を除く): 28381520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 12899, 25798, 51596, 64495, 103192, 128990, 206384, 245081, 257980, 490162, 515960, 980324, 1031920, 1225405, 1960648, 2450810, 3921296, 4901620, 9803240, 19606480]

約数ペア:

[(1, 19606480), (2, 9803240), (4, 4901620), (5, 3921296), (8, 2450810), (10, 1960648), (16, 1225405), (19, 1031920), (20, 980324), (38, 515960), (40, 490162), (76, 257980), (80, 245081), (95, 206384), (152, 128990), (190, 103192), (304, 64495), (380, 51596), (760, 25798), (1520, 12899)]