18471992

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{191}}^1$

素因数の和:372

約数の個数: 64

約数和(自身を含む): 43683840

約数和(自身を除く): 25211848

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 77, 88, 154, 157, 191, 308, 314, 382, 616, 628, 764, 1099, 1256, 1337, 1528, 1727, 2101, 2198, 2674, 3454, 4202, 4396, 5348, 6908, 8404, 8792, 10696, 12089, 13816, 14707, 16808, 24178, 29414, 29987, 48356, 58828, 59974, 96712, 117656, 119948, 209909, 239896, 329857, 419818, 659714, 839636, 1319428, 1679272, 2308999, 2638856, 4617998, 9235996, 18471992]

約数ペア:

[(1, 18471992), (2, 9235996), (4, 4617998), (7, 2638856), (8, 2308999), (11, 1679272), (14, 1319428), (22, 839636), (28, 659714), (44, 419818), (56, 329857), (77, 239896), (88, 209909), (154, 119948), (157, 117656), (191, 96712), (308, 59974), (314, 58828), (382, 48356), (616, 29987), (628, 29414), (764, 24178), (1099, 16808), (1256, 14707), (1337, 13816), (1528, 12089), (1727, 10696), (2101, 8792), (2198, 8404), (2674, 6908), (3454, 5348), (4202, 4396)]