19900244

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{2377}}^1$

素因数の和:2424

約数の個数: 48

約数和(自身を含む): 44744448

約数和(自身を除く): 24844204

約数列:

[1, 2, 4, 7, 13, 14, 23, 26, 28, 46, 52, 91, 92, 161, 182, 299, 322, 364, 598, 644, 1196, 2093, 2377, 4186, 4754, 8372, 9508, 16639, 30901, 33278, 54671, 61802, 66556, 109342, 123604, 216307, 218684, 382697, 432614, 710723, 765394, 865228, 1421446, 1530788, 2842892, 4975061, 9950122, 19900244]

約数ペア:

[(1, 19900244), (2, 9950122), (4, 4975061), (7, 2842892), (13, 1530788), (14, 1421446), (23, 865228), (26, 765394), (28, 710723), (46, 432614), (52, 382697), (91, 218684), (92, 216307), (161, 123604), (182, 109342), (299, 66556), (322, 61802), (364, 54671), (598, 33278), (644, 30901), (1196, 16639), (2093, 9508), (2377, 8372), (4186, 4754)]