19182940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{1877}}^1$

素因数の和:1966

約数の個数: 48

約数和(自身を含む): 46694592

約数和(自身を除く): 27511652

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 73, 140, 146, 292, 365, 511, 730, 1022, 1460, 1877, 2044, 2555, 3754, 5110, 7508, 9385, 10220, 13139, 18770, 26278, 37540, 52556, 65695, 131390, 137021, 262780, 274042, 548084, 685105, 959147, 1370210, 1918294, 2740420, 3836588, 4795735, 9591470, 19182940]

約数ペア:

[(1, 19182940), (2, 9591470), (4, 4795735), (5, 3836588), (7, 2740420), (10, 1918294), (14, 1370210), (20, 959147), (28, 685105), (35, 548084), (70, 274042), (73, 262780), (140, 137021), (146, 131390), (292, 65695), (365, 52556), (511, 37540), (730, 26278), (1022, 18770), (1460, 13139), (1877, 10220), (2044, 9385), (2555, 7508), (3754, 5110)]