19835856

素因数分解:

$2^4\times 3^2\times {\mathrm{139}}^1\times {\mathrm{991}}^1$

素因数の和:1144

約数の個数: 60

約数和(自身を含む): 55968640

約数和(自身を除く): 36132784

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 139, 144, 278, 417, 556, 834, 991, 1112, 1251, 1668, 1982, 2224, 2502, 2973, 3336, 3964, 5004, 5946, 6672, 7928, 8919, 10008, 11892, 15856, 17838, 20016, 23784, 35676, 47568, 71352, 137749, 142704, 275498, 413247, 550996, 826494, 1101992, 1239741, 1652988, 2203984, 2479482, 3305976, 4958964, 6611952, 9917928, 19835856]

約数ペア:

[(1, 19835856), (2, 9917928), (3, 6611952), (4, 4958964), (6, 3305976), (8, 2479482), (9, 2203984), (12, 1652988), (16, 1239741), (18, 1101992), (24, 826494), (36, 550996), (48, 413247), (72, 275498), (139, 142704), (144, 137749), (278, 71352), (417, 47568), (556, 35676), (834, 23784), (991, 20016), (1112, 17838), (1251, 15856), (1668, 11892), (1982, 10008), (2224, 8919), (2502, 7928), (2973, 6672), (3336, 5946), (3964, 5004)]