11921474

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1$

素因数の和:258

約数の個数: 32

約数和(自身を含む): 19790400

約数和(自身を除く): 7868926

約数列:

[1, 2, 19, 37, 38, 61, 74, 122, 139, 278, 703, 1159, 1406, 2257, 2318, 2641, 4514, 5143, 5282, 8479, 10286, 16958, 42883, 85766, 97717, 161101, 195434, 313723, 322202, 627446, 5960737, 11921474]

約数ペア:

[(1, 11921474), (2, 5960737), (19, 627446), (37, 322202), (38, 313723), (61, 195434), (74, 161101), (122, 97717), (139, 85766), (278, 42883), (703, 16958), (1159, 10286), (1406, 8479), (2257, 5282), (2318, 5143), (2641, 4514)]