18475996

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{223}}^1\times {\mathrm{269}}^1$

素因数の和:514

約数の個数: 48

約数和(自身を含む): 40642560

約数和(自身を除く): 22166564

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 223, 269, 308, 446, 538, 892, 1076, 1561, 1883, 2453, 2959, 3122, 3766, 4906, 5918, 6244, 7532, 9812, 11836, 17171, 20713, 34342, 41426, 59987, 68684, 82852, 119974, 239948, 419909, 659857, 839818, 1319714, 1679636, 2639428, 4618999, 9237998, 18475996]

約数ペア:

[(1, 18475996), (2, 9237998), (4, 4618999), (7, 2639428), (11, 1679636), (14, 1319714), (22, 839818), (28, 659857), (44, 419909), (77, 239948), (154, 119974), (223, 82852), (269, 68684), (308, 59987), (446, 41426), (538, 34342), (892, 20713), (1076, 17171), (1561, 11836), (1883, 9812), (2453, 7532), (2959, 6244), (3122, 5918), (3766, 4906)]