18520348

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{383}}^1$

素因数の和:562

約数の個数: 48

約数和(自身を含む): 40771584

約数和(自身を除く): 22251236

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 157, 308, 314, 383, 628, 766, 1099, 1532, 1727, 2198, 2681, 3454, 4213, 4396, 5362, 6908, 8426, 10724, 12089, 16852, 24178, 29491, 48356, 58982, 60131, 117964, 120262, 240524, 420917, 661441, 841834, 1322882, 1683668, 2645764, 4630087, 9260174, 18520348]

約数ペア:

[(1, 18520348), (2, 9260174), (4, 4630087), (7, 2645764), (11, 1683668), (14, 1322882), (22, 841834), (28, 661441), (44, 420917), (77, 240524), (154, 120262), (157, 117964), (308, 60131), (314, 58982), (383, 48356), (628, 29491), (766, 24178), (1099, 16852), (1532, 12089), (1727, 10724), (2198, 8426), (2681, 6908), (3454, 5362), (4213, 4396)]