2019049820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1973}}^1\times {\mathrm{2693}}^1$

素因数の和:4694

約数の個数: 48

約数和(自身を含む): 4467083040

約数和(自身を除く): 2448033220

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 1973, 2693, 3946, 5386, 7892, 9865, 10772, 13465, 19730, 26930, 37487, 39460, 51167, 53860, 74974, 102334, 149948, 187435, 204668, 255835, 374870, 511670, 749740, 1023340, 5313289, 10626578, 21253156, 26566445, 53132890, 100952491, 106265780, 201904982, 403809964, 504762455, 1009524910, 2019049820]

約数ペア:

[(1, 2019049820), (2, 1009524910), (4, 504762455), (5, 403809964), (10, 201904982), (19, 106265780), (20, 100952491), (38, 53132890), (76, 26566445), (95, 21253156), (190, 10626578), (380, 5313289), (1973, 1023340), (2693, 749740), (3946, 511670), (5386, 374870), (7892, 255835), (9865, 204668), (10772, 187435), (13465, 149948), (19730, 102334), (26930, 74974), (37487, 53860), (39460, 51167)]