19477964

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1013}}^1$

素因数の和:1070

約数の個数: 48

約数和(自身を含む): 40884480

約数和(自身を除く): 21406516

約数列:

[1, 2, 4, 11, 19, 22, 23, 38, 44, 46, 76, 92, 209, 253, 418, 437, 506, 836, 874, 1012, 1013, 1748, 2026, 4052, 4807, 9614, 11143, 19228, 19247, 22286, 23299, 38494, 44572, 46598, 76988, 93196, 211717, 256289, 423434, 442681, 512578, 846868, 885362, 1025156, 1770724, 4869491, 9738982, 19477964]

約数ペア:

[(1, 19477964), (2, 9738982), (4, 4869491), (11, 1770724), (19, 1025156), (22, 885362), (23, 846868), (38, 512578), (44, 442681), (46, 423434), (76, 256289), (92, 211717), (209, 93196), (253, 76988), (418, 46598), (437, 44572), (506, 38494), (836, 23299), (874, 22286), (1012, 19247), (1013, 19228), (1748, 11143), (2026, 9614), (4052, 4807)]