19609806

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^2\times {\mathrm{43}}^1\times {\mathrm{263}}^1$

素因数の和:345

約数の個数: 48

約数和(自身を含む): 42793344

約数和(自身を除く): 23183538

約数列:

[1, 2, 3, 6, 17, 34, 43, 51, 86, 102, 129, 258, 263, 289, 526, 578, 731, 789, 867, 1462, 1578, 1734, 2193, 4386, 4471, 8942, 11309, 12427, 13413, 22618, 24854, 26826, 33927, 37281, 67854, 74562, 76007, 152014, 192253, 228021, 384506, 456042, 576759, 1153518, 3268301, 6536602, 9804903, 19609806]

約数ペア:

[(1, 19609806), (2, 9804903), (3, 6536602), (6, 3268301), (17, 1153518), (34, 576759), (43, 456042), (51, 384506), (86, 228021), (102, 192253), (129, 152014), (258, 76007), (263, 74562), (289, 67854), (526, 37281), (578, 33927), (731, 26826), (789, 24854), (867, 22618), (1462, 13413), (1578, 12427), (1734, 11309), (2193, 8942), (4386, 4471)]