19735638

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{421}}^1\times {\mathrm{601}}^1$

素因数の和:1040

約数の個数: 32

約数和(自身を含む): 42679392

約数和(自身を除く): 22943754

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 421, 601, 842, 1202, 1263, 1803, 2526, 3606, 5473, 7813, 10946, 15626, 16419, 23439, 32838, 46878, 253021, 506042, 759063, 1518126, 3289273, 6578546, 9867819, 19735638]

約数ペア:

[(1, 19735638), (2, 9867819), (3, 6578546), (6, 3289273), (13, 1518126), (26, 759063), (39, 506042), (78, 253021), (421, 46878), (601, 32838), (842, 23439), (1202, 16419), (1263, 15626), (1803, 10946), (2526, 7813), (3606, 5473)]