19163638

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{281}}^1$

素因数の和:400

約数の個数: 32

約数和(自身を含む): 32310432

約数和(自身を除く): 13146794

約数列:

[1, 2, 13, 26, 43, 61, 86, 122, 281, 559, 562, 793, 1118, 1586, 2623, 3653, 5246, 7306, 12083, 17141, 24166, 34099, 34282, 68198, 157079, 222833, 314158, 445666, 737063, 1474126, 9581819, 19163638]

約数ペア:

[(1, 19163638), (2, 9581819), (13, 1474126), (26, 737063), (43, 445666), (61, 314158), (86, 222833), (122, 157079), (281, 68198), (559, 34282), (562, 34099), (793, 24166), (1118, 17141), (1586, 12083), (2623, 7306), (3653, 5246)]